425530836 has 18 divisors (see below), whose sum is σ = 1075647482. Its totient is φ = 141843600.

The previous prime is 425530829. The next prime is 425530871. The reversal of 425530836 is 638035524.

It is a happy number.

425530836 is a `hidden beast` number, since 42 + 5 + 530 + 83 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 318408336 + 107122500 = 17844^2 + 10350^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11820301 = 425530836 / (4 + 2 + 5 + 5 + 3 + 0 + 8 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 425530836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5910115 + ... + 5910186.

Almost surely, 2^425530836 is an apocalyptic number.

It is an amenable number.

425530836 is an abundant number, since it is smaller than the sum of its proper divisors (650116646).

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

425530836 is a wasteful number, since it uses less digits than its factorization.

425530836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820311 (or 11820306 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 425530836 is about 20628.3987745050. The cubic root of 425530836 is about 752.1601934455.

The spelling of 425530836 in words is "four hundred twenty-five million, five hundred thirty thousand, eight hundred thirty-six".