625223015 has 4 divisors (see below), whose sum is σ = 750267624. Its totient is φ = 500178408.

The previous prime is 625222963. The next prime is 625223017. The reversal of 625223015 is 510322526.

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 625223015 - 2⁶ = 625222951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625223017) 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 3 ways as a sum of consecutive naturals, for example, 62522297 + ... + 62522306.

It is an arithmetic number, because the mean of its divisors is an integer number (187566906).

Almost surely, 2^625223015 is an apocalyptic number.

625223015 is a deficient number, since it is larger than the sum of its proper divisors (125044609).

625223015 is a wasteful number, since it uses less digits than its factorization.

625223015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125044608.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 625223015 is about 25004.4599021854. The cubic root of 625223015 is about 855.0896546547.

The spelling of 625223015 in words is "six hundred twenty-five million, two hundred twenty-three thousand, fifteen".