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13422525 = 352191937
BaseRepresentation
bin110011001100…
…111110111101
3221020221020120
4303030332331
511414010100
61155405153
7222042504
oct63147675
927227216
1013422525
1176385a6
1245b37b9
132a1c62c
141ad583b
1512a20a0
hexcccfbd

13422525 has 24 divisors (see below), whose sum is σ = 22331904. Its totient is φ = 7113600.

The previous prime is 13422517. The next prime is 13422533. The reversal of 13422525 is 52522431.

It is an interprime number because it is at equal distance from previous prime (13422517) and next prime (13422533).

It is not a de Polignac number, because 13422525 - 23 = 13422517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13422495 and 13422504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13857 + ... + 14793.

It is an arithmetic number, because the mean of its divisors is an integer number (930496).

Almost surely, 213422525 is an apocalyptic number.

13422525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13422525 is a deficient number, since it is larger than the sum of its proper divisors (8909379).

13422525 is a wasteful number, since it uses less digits than its factorization.

13422525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1136 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 13422525 is about 3663.6764322194. The cubic root of 13422525 is about 237.6537877467.

Adding to 13422525 its reverse (52522431), we get a palindrome (65944956).

The spelling of 13422525 in words is "thirteen million, four hundred twenty-two thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 191 573 937 955 2811 2865 4685 4775 14055 14325 23425 70275 178967 536901 894835 2684505 4474175 13422525