625726853250 has 128 divisors (see below), whose sum is σ = 1582116157440. Its totient is φ = 164695294400.

The previous prime is 625726853249. The next prime is 625726853251. The reversal of 625726853250 is 52358627526.

It is an interprime number because it is at equal distance from previous prime (625726853249) and next prime (625726853251).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 625726853193 and 625726853202.

It is not an unprimeable number, because it can be changed into a prime (625726853251) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 76127641 + ... + 76135859.

It is an arithmetic number, because the mean of its divisors is an integer number (12360282480).

Almost surely, 2^625726853250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625726853250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791058078720).

625726853250 is an abundant number, since it is smaller than the sum of its proper divisors (956389304190).

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

625726853250 is a wasteful number, since it uses less digits than its factorization.

625726853250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545 (or 9535 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 51.

The spelling of 625726853250 in words is "six hundred twenty-five billion, seven hundred twenty-six million, eight hundred fifty-three thousand, two hundred fifty".