625264236 has 72 divisors (see below), whose sum is σ = 1671458880. Its totient is φ = 196533216.

The previous prime is 625264229. The next prime is 625264243. The reversal of 625264236 is 632462526.

625264236 is a `hidden beast` number, since 6 + 2 + 5 + 2 + 642 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (625264229) and next prime (625264243).

It is a super-3 number, since 3×625264236³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 625264236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153255 + ... + 157281.

Almost surely, 2^625264236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625264236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835729440).

625264236 is an abundant number, since it is smaller than the sum of its proper divisors (1046194644).

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

625264236 is a wasteful number, since it uses less digits than its factorization.

625264236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283 (or 4278 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 625264236 is about 25005.2841615527. The cubic root of 625264236 is about 855.1084462833.

The spelling of 625264236 in words is "six hundred twenty-five million, two hundred sixty-four thousand, two hundred thirty-six".