690583625 has 16 divisors (see below), whose sum is σ = 899323776. Its totient is φ = 528444400.

The previous prime is 690583603. The next prime is 690583631. The reversal of 690583625 is 526385096.

It is a happy number.

It is not a de Polignac number, because 690583625 - 2¹⁶ = 690518089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 117227 + ... + 122976.

It is an arithmetic number, because the mean of its divisors is an integer number (56207736).

Almost surely, 2^690583625 is an apocalyptic number.

It is an amenable number.

690583625 is a deficient number, since it is larger than the sum of its proper divisors (208740151).

690583625 is a wasteful number, since it uses less digits than its factorization.

690583625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240241 (or 240231 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 690583625 is about 26278.9578370224. The cubic root of 690583625 is about 883.9046638142.

The spelling of 690583625 in words is "six hundred ninety million, five hundred eighty-three thousand, six hundred twenty-five".