572961266 has 4 divisors (see below), whose sum is σ = 859441902. Its totient is φ = 286480632.

The previous prime is 572961247. The next prime is 572961269. The reversal of 572961266 is 662169275.

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

It can be written as a sum of positive squares in only one way, i.e., 570493225 + 2468041 = 23885^2 + 1571^2 .

It is a super-2 number, since 2×572961266² = 656569224672645512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (572961269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143240315 + ... + 143240318.

Almost surely, 2^572961266 is an apocalyptic number.

572961266 is a deficient number, since it is larger than the sum of its proper divisors (286480636).

572961266 is a wasteful number, since it uses less digits than its factorization.

572961266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286480635.

The product of its digits is 272160, while the sum is 44.

The square root of 572961266 is about 23936.6093254663. The cubic root of 572961266 is about 830.5677955491.

The spelling of 572961266 in words is "five hundred seventy-two million, nine hundred sixty-one thousand, two hundred sixty-six".