425452520 has 32 divisors (see below), whose sum is σ = 958434120. Its totient is φ = 169973760.

The previous prime is 425452493. The next prime is 425452553. The reversal of 425452520 is 25254524.

It can be written as a sum of positive squares in 4 ways, for example, as 139098436 + 286354084 = 11794^2 + 16922^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29204 + ... + 41276.

Almost surely, 2^425452520 is an apocalyptic number.

425452520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425452520 is an abundant number, since it is smaller than the sum of its proper divisors (532981600).

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

425452520 is a wasteful number, since it uses less digits than its factorization.

425452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12965 (or 12961 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 425452520 is about 20626.5004302717. The cubic root of 425452520 is about 752.1140473249.

The spelling of 425452520 in words is "four hundred twenty-five million, four hundred fifty-two thousand, five hundred twenty".