625204319 has 4 divisors (see below), whose sum is σ = 625350096. Its totient is φ = 625058544.

The previous prime is 625204289. The next prime is 625204337. The reversal of 625204319 is 913402526.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 625204319 - 2¹² = 625200223 is a prime.

It is a super-2 number, since 2×625204319² = 781760880992507522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625204379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66254 + ... + 75099.

It is an arithmetic number, because the mean of its divisors is an integer number (156337524).

Almost surely, 2^625204319 is an apocalyptic number.

625204319 is a deficient number, since it is larger than the sum of its proper divisors (145777).

625204319 is a wasteful number, since it uses less digits than its factorization.

625204319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145776.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 625204319 is about 25004.0860460845. The cubic root of 625204319 is about 855.0811313411.

The spelling of 625204319 in words is "six hundred twenty-five million, two hundred four thousand, three hundred nineteen".