542512904 has 8 divisors (see below), whose sum is σ = 1017211710. Its totient is φ = 271256448.

The previous prime is 542512879. The next prime is 542512913. The reversal of 542512904 is 409215245.

It can be written as a sum of positive squares in only one way, i.e., 542424100 + 88804 = 23290^2 + 298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33907049 + ... + 33907064.

Almost surely, 2^542512904 is an apocalyptic number.

It is an amenable number.

542512904 is a deficient number, since it is larger than the sum of its proper divisors (474698806).

542512904 is a wasteful number, since it uses less digits than its factorization.

542512904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67814119 (or 67814115 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 542512904 is about 23291.9064054448. The cubic root of 542512904 is about 815.5864919191.

The spelling of 542512904 in words is "five hundred forty-two million, five hundred twelve thousand, nine hundred four".