425566834 has 16 divisors (see below), whose sum is σ = 795865536. Its totient is φ = 165805200.

The previous prime is 425566819. The next prime is 425566837. The reversal of 425566834 is 438665524.

It is a super-2 number, since 2×425566834² = 362214260401567112, 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 7 ways as a sum of consecutive naturals, for example, 1381557 + ... + 1381864.

It is an arithmetic number, because the mean of its divisors is an integer number (49741596).

Almost surely, 2^425566834 is an apocalyptic number.

425566834 is a deficient number, since it is larger than the sum of its proper divisors (370298702).

425566834 is a wasteful number, since it uses less digits than its factorization.

425566834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763441.

The product of its digits is 691200, while the sum is 43.

The square root of 425566834 is about 20629.2712910563. The cubic root of 425566834 is about 752.1814026403.

The spelling of 425566834 in words is "four hundred twenty-five million, five hundred sixty-six thousand, eight hundred thirty-four".