30601625 has 8 divisors (see below), whose sum is σ = 38190984. Its totient is φ = 24481200.

The previous prime is 30601601. The next prime is 30601631. The reversal of 30601625 is 52610603.

It can be written as a sum of positive squares in 4 ways, for example, as 274576 + 30327049 = 524^2 + 5507^2 .

It is not a de Polignac number, because 30601625 - 2⁸ = 30601369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30601625.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122282 + ... + 122531.

It is an arithmetic number, because the mean of its divisors is an integer number (4773873).

Almost surely, 2^30601625 is an apocalyptic number.

It is an amenable number.

30601625 is a deficient number, since it is larger than the sum of its proper divisors (7589359).

30601625 is an equidigital number, since it uses as much as digits as its factorization.

30601625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244828 (or 244818 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30601625 is about 5531.8735524233. The cubic root of 30601625 is about 312.7866170418.

The spelling of 30601625 in words is "thirty million, six hundred one thousand, six hundred twenty-five".