538425520 has 20 divisors (see below), whose sum is σ = 1251839520. Its totient is φ = 215370176.

The previous prime is 538425493. The next prime is 538425521. The reversal of 538425520 is 25524835.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (538425521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365080 + ... + 3365239.

It is an arithmetic number, because the mean of its divisors is an integer number (62591976).

Almost surely, 2^538425520 is an apocalyptic number.

It is an amenable number.

538425520 is an abundant number, since it is smaller than the sum of its proper divisors (713414000).

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

538425520 is a wasteful number, since it uses less digits than its factorization.

538425520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730332 (or 6730326 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 538425520 is about 23203.9979313910. The cubic root of 538425520 is about 813.5330707751.

The spelling of 538425520 in words is "five hundred thirty-eight million, four hundred twenty-five thousand, five hundred twenty".