153252520 has 32 divisors (see below), whose sum is σ = 354141000. Its totient is φ = 59643648.

The previous prime is 153252511. The next prime is 153252563. The reversal of 153252520 is 25252351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 135629316 + 17623204 = 11646^2 + 4198^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50295 + ... + 53254.

Almost surely, 2^153252520 is an apocalyptic number.

153252520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153252520 is an abundant number, since it is smaller than the sum of its proper divisors (200888480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153252520 is a wasteful number, since it uses less digits than its factorization.

153252520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103597 (or 103593 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 153252520 is about 12379.5201845629. The cubic root of 153252520 is about 535.1422104264.

The spelling of 153252520 in words is "one hundred fifty-three million, two hundred fifty-two thousand, five hundred twenty".