625772450 has 12 divisors (see below), whose sum is σ = 1163936850. Its totient is φ = 250308960.

The previous prime is 625772443. The next prime is 625772473. The reversal of 625772450 is 54277526.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 411237841 + 214534609 = 20279^2 + 14647^2 .

It is a super-3 number, since 3×625772450³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 6257675 + ... + 6257774.

Almost surely, 2^625772450 is an apocalyptic number.

625772450 is a deficient number, since it is larger than the sum of its proper divisors (538164400).

625772450 is a wasteful number, since it uses less digits than its factorization.

625772450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515461 (or 12515456 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 625772450 is about 25015.4442295155. Note that the first 3 decimals coincide. The cubic root of 625772450 is about 855.3400605729.

The spelling of 625772450 in words is "six hundred twenty-five million, seven hundred seventy-two thousand, four hundred fifty".