538261004 has 24 divisors (see below), whose sum is σ = 1016191008. Its totient is φ = 248518400.

The previous prime is 538260991. The next prime is 538261033. The reversal of 538261004 is 400162835.

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, 71072 + ... + 78279.

It is an arithmetic number, because the mean of its divisors is an integer number (42341292).

Almost surely, 2^538261004 is an apocalyptic number.

It is an amenable number.

538261004 is a deficient number, since it is larger than the sum of its proper divisors (477930004).

538261004 is a wasteful number, since it uses less digits than its factorization.

538261004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149425 (or 149423 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 538261004 is about 23200.4526679977. The cubic root of 538261004 is about 813.4502039498.

The spelling of 538261004 in words is "five hundred thirty-eight million, two hundred sixty-one thousand, four".