4252256566 has 8 divisors (see below), whose sum is σ = 6390047160. Its totient is φ = 2122240848.

The previous prime is 4252256543. The next prime is 4252256587. The reversal of 4252256566 is 6656522524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4252256566² = 36163371806180224712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942351 + ... + 1944538.

It is an arithmetic number, because the mean of its divisors is an integer number (798755895).

Almost surely, 2^4252256566 is an apocalyptic number.

4252256566 is a deficient number, since it is larger than the sum of its proper divisors (2137790594).

4252256566 is a wasteful number, since it uses less digits than its factorization.

4252256566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887438.

The product of its digits is 864000, while the sum is 43.

The square root of 4252256566 is about 65209.3288264800. The cubic root of 4252256566 is about 1620.0925321835.

The spelling of 4252256566 in words is "four billion, two hundred fifty-two million, two hundred fifty-six thousand, five hundred sixty-six".