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53425 = 522137
BaseRepresentation
bin1101000010110001
32201021201
431002301
53202200
61051201
7311521
oct150261
981251
1053425
1137159
1226b01
131b418
1415681
1510c6a
hexd0b1

53425 has 6 divisors (see below), whose sum is σ = 66278. Its totient is φ = 42720.

The previous prime is 53419. The next prime is 53437. The reversal of 53425 is 52435.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 64 + 53361 = 8^2 + 231^2 .

It is not a de Polignac number, because 53425 - 213 = 45233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1044 + ... + 1093.

253425 is an apocalyptic number.

It is an amenable number.

53425 is a deficient number, since it is larger than the sum of its proper divisors (12853).

53425 is a wasteful number, since it uses less digits than its factorization.

53425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2142 counting only the distinct ones).

The product of its digits is 600, while the sum is 19.

The square root of 53425 is about 231.1384866265. The cubic root of 53425 is about 37.6629942208.

Subtracting from 53425 its product of digits (600), we obtain a palindrome (52825).

Subtracting from 53425 its reverse (52435), we obtain a triangular number (990 = T44).

The spelling of 53425 in words is "fifty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 2137 10685 53425