1539431052 has 24 divisors (see below), whose sum is σ = 3593624832. Its totient is φ = 512912400.

The previous prime is 1539431021. The next prime is 1539431071. The reversal of 1539431052 is 2501349351.

1539431052 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24 + ... + 55487.

It is an arithmetic number, because the mean of its divisors is an integer number (149734368).

Almost surely, 2^1539431052 is an apocalyptic number.

1539431052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1539431052 is an abundant number, since it is smaller than the sum of its proper divisors (2054193780).

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

1539431052 is a wasteful number, since it uses less digits than its factorization.

1539431052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57829 (or 57827 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1539431052 is about 39235.5840022804. The cubic root of 1539431052 is about 1154.6581203613.

The spelling of 1539431052 in words is "one billion, five hundred thirty-nine million, four hundred thirty-one thousand, fifty-two".