625122399 has 8 divisors (see below), whose sum is σ = 909268992. Its totient is φ = 378862040.

The previous prime is 625122397. The next prime is 625122413. The reversal of 625122399 is 993221526.

625122399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625122399 - 2¹ = 625122397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625122397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9471519 + ... + 9471584.

It is an arithmetic number, because the mean of its divisors is an integer number (113658624).

Almost surely, 2^625122399 is an apocalyptic number.

625122399 is a deficient number, since it is larger than the sum of its proper divisors (284146593).

625122399 is a wasteful number, since it uses less digits than its factorization.

625122399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943117.

The product of its digits is 58320, while the sum is 39.

The square root of 625122399 is about 25002.4478601596. The cubic root of 625122399 is about 855.0437828542.

It can be divided in two parts, 625122 and 399, that added together give a triangular number (625521 = T₁₁₁₈).

The spelling of 625122399 in words is "six hundred twenty-five million, one hundred twenty-two thousand, three hundred ninety-nine".