625949506 has 16 divisors (see below), whose sum is σ = 1155599424. Its totient is φ = 247628304.

The previous prime is 625949491. The next prime is 625949507. The reversal of 625949506 is 605949526.

625949506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (625949507) 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, 1719460 + ... + 1719823.

It is an arithmetic number, because the mean of its divisors is an integer number (72224964).

Almost surely, 2^625949506 is an apocalyptic number.

625949506 is a deficient number, since it is larger than the sum of its proper divisors (529649918).

625949506 is a wasteful number, since it uses less digits than its factorization.

625949506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439305.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 625949506 is about 25018.9829129803. The cubic root of 625949506 is about 855.4207229122.

It can be divided in two parts, 625 and 949506, that added together give a triangular number (950131 = T₁₃₇₈).

The spelling of 625949506 in words is "six hundred twenty-five million, nine hundred forty-nine thousand, five hundred six".