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25352253 = 3217165701
BaseRepresentation
bin110000010110…
…1100000111101
31202201000202100
41200231200331
522442233003
62303215313
7425330163
oct140554075
952630670
1025352253
1113346583
1285a7539
135338644
14351d233
15235bba3
hex182d83d

25352253 has 12 divisors (see below), whose sum is σ = 38774268. Its totient is φ = 15907200.

The previous prime is 25352231. The next prime is 25352263. The reversal of 25352253 is 35225352.

It can be written as a sum of positive squares in 2 ways, for example, as 21178404 + 4173849 = 4602^2 + 2043^2 .

It is not a de Polignac number, because 25352253 - 29 = 25351741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25352263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82698 + ... + 83003.

It is an arithmetic number, because the mean of its divisors is an integer number (3231189).

Almost surely, 225352253 is an apocalyptic number.

It is an amenable number.

25352253 is a deficient number, since it is larger than the sum of its proper divisors (13422015).

25352253 is a wasteful number, since it uses less digits than its factorization.

25352253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165724 (or 165721 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 25352253 is about 5035.1020843673. The cubic root of 25352253 is about 293.7686990964.

The spelling of 25352253 in words is "twenty-five million, three hundred fifty-two thousand, two hundred fifty-three".

Divisors: 1 3 9 17 51 153 165701 497103 1491309 2816917 8450751 25352253