572401187 has 4 divisors (see below), whose sum is σ = 573729696. Its totient is φ = 571072680.

The previous prime is 572401153. The next prime is 572401199. The reversal of 572401187 is 781104275.

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

It is a cyclic number.

It is not a de Polignac number, because 572401187 - 2¹⁰ = 572400163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572400187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663608 + ... + 664469.

It is an arithmetic number, because the mean of its divisors is an integer number (143432424).

Almost surely, 2^572401187 is an apocalyptic number.

572401187 is a deficient number, since it is larger than the sum of its proper divisors (1328509).

572401187 is a wasteful number, since it uses less digits than its factorization.

572401187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328508.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 572401187 is about 23924.9072516489. The cubic root of 572401187 is about 830.2970761217.

The spelling of 572401187 in words is "five hundred seventy-two million, four hundred one thousand, one hundred eighty-seven".