538501530 has 64 divisors (see below), whose sum is σ = 1541265408. Its totient is φ = 117733440.

The previous prime is 538501517. The next prime is 538501541. The reversal of 538501530 is 35105835.

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

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 31 ways as a sum of consecutive naturals, for example, 50916 + ... + 60575.

It is an arithmetic number, because the mean of its divisors is an integer number (24082272).

Almost surely, 2^538501530 is an apocalyptic number.

538501530 is an abundant number, since it is smaller than the sum of its proper divisors (1002763878).

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

538501530 is a wasteful number, since it uses less digits than its factorization.

538501530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111531.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 538501530 is about 23205.6357378978. The cubic root of 538501530 is about 813.5713513647.

The spelling of 538501530 in words is "five hundred thirty-eight million, five hundred one thousand, five hundred thirty".