425434164 has 48 divisors (see below), whose sum is σ = 1002516480. Its totient is φ = 140414560.

The previous prime is 425434123. The next prime is 425434169. The reversal of 425434164 is 461434524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425434169) 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, 960127 + ... + 960569.

It is an arithmetic number, because the mean of its divisors is an integer number (20885760).

Almost surely, 2^425434164 is an apocalyptic number.

It is an amenable number.

425434164 is an abundant number, since it is smaller than the sum of its proper divisors (577082316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425434164 is a wasteful number, since it uses less digits than its factorization.

425434164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 425434164 is about 20626.0554639029. The cubic root of 425434164 is about 752.1032306036.

Adding to 425434164 its reverse (461434524), we get a palindrome (886868688).

The spelling of 425434164 in words is "four hundred twenty-five million, four hundred thirty-four thousand, one hundred sixty-four".