425566833 has 16 divisors (see below), whose sum is σ = 574219200. Its totient is φ = 280324800.

The previous prime is 425566819. The next prime is 425566837. The reversal of 425566833 is 338665524.

It is not a de Polignac number, because 425566833 - 2⁸ = 425566577 is a prime.

It is a super-2 number, since 2×425566833² = 362214258699299778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425566837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186423 + ... + 188691.

It is an arithmetic number, because the mean of its divisors is an integer number (35888700).

Almost surely, 2^425566833 is an apocalyptic number.

It is an amenable number.

425566833 is a deficient number, since it is larger than the sum of its proper divisors (148652367).

425566833 is a wasteful number, since it uses less digits than its factorization.

425566833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its digits is 518400, while the sum is 42.

The square root of 425566833 is about 20629.2712668189. The cubic root of 425566833 is about 752.1814020511.

The spelling of 425566833 in words is "four hundred twenty-five million, five hundred sixty-six thousand, eight hundred thirty-three".