425552520 has 32 divisors (see below), whose sum is σ = 1276657920. Its totient is φ = 113480640.

The previous prime is 425552513. The next prime is 425552527. The reversal of 425552520 is 25255524.

It is an interprime number because it is at equal distance from previous prime (425552513) and next prime (425552527).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (425552527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773016 + ... + 1773255.

It is an arithmetic number, because the mean of its divisors is an integer number (39895560).

Almost surely, 2^425552520 is an apocalyptic number.

425552520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425552520 is an abundant number, since it is smaller than the sum of its proper divisors (851105400).

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

425552520 is a wasteful number, since it uses less digits than its factorization.

425552520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546285 (or 3546281 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 425552520 is about 20628.9243539260. The cubic root of 425552520 is about 752.1729693035.

The spelling of 425552520 in words is "four hundred twenty-five million, five hundred fifty-two thousand, five hundred twenty".