426525556 has 12 divisors (see below), whose sum is σ = 760503492. Its totient is φ = 209238848.

The previous prime is 426525479. The next prime is 426525569. The reversal of 426525556 is 655525624.

It can be written as a sum of positive squares in 2 ways, for example, as 169885156 + 256640400 = 13034^2 + 16020^2 .

It is a super-2 number, since 2×426525556² = 363848099842218272, 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, 1005745 + ... + 1006168.

It is an arithmetic number, because the mean of its divisors is an integer number (63375291).

Almost surely, 2^426525556 is an apocalyptic number.

It is an amenable number.

426525556 is a deficient number, since it is larger than the sum of its proper divisors (333977936).

426525556 is a wasteful number, since it uses less digits than its factorization.

426525556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011970 (or 2011968 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The square root of 426525556 is about 20652.4951519181. The cubic root of 426525556 is about 752.7458200653.

The spelling of 426525556 in words is "four hundred twenty-six million, five hundred twenty-five thousand, five hundred fifty-six".