689030925 has 48 divisors (see below), whose sum is σ = 1271728128. Its totient is φ = 326289600.

The previous prime is 689030863. The next prime is 689030957. The reversal of 689030925 is 529030986.

It is not a de Polignac number, because 689030925 - 2⁶ = 689030861 is a prime.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 25764 + ... + 45186.

It is an arithmetic number, because the mean of its divisors is an integer number (26494336).

Almost surely, 2^689030925 is an apocalyptic number.

It is an amenable number.

689030925 is a deficient number, since it is larger than the sum of its proper divisors (582697203).

689030925 is a wasteful number, since it uses less digits than its factorization.

689030925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19490 (or 19485 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 689030925 is about 26249.3985645386. The cubic root of 689030925 is about 883.2417131349.

The spelling of 689030925 in words is "six hundred eighty-nine million, thirty thousand, nine hundred twenty-five".