572865406 has 4 divisors (see below), whose sum is σ = 859298112. Its totient is φ = 286432702.

The previous prime is 572865353. The next prime is 572865431. The reversal of 572865406 is 604568275.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143216350 + ... + 143216353.

It is an arithmetic number, because the mean of its divisors is an integer number (214824528).

Almost surely, 2^572865406 is an apocalyptic number.

572865406 is a deficient number, since it is larger than the sum of its proper divisors (286432706).

572865406 is a wasteful number, since it uses less digits than its factorization.

572865406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286432705.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 572865406 is about 23934.6068695519. The cubic root of 572865406 is about 830.5214732383.

The spelling of 572865406 in words is "five hundred seventy-two million, eight hundred sixty-five thousand, four hundred six".