19930625 has 40 divisors (see below), whose sum is σ = 29390592. Its totient is φ = 13320000.

The previous prime is 19930609. The next prime is 19930637. The reversal of 19930625 is 52603991.

It is not a de Polignac number, because 19930625 - 2⁴ = 19930609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 89264 + ... + 89486.

Almost surely, 2^19930625 is an apocalyptic number.

It is an amenable number.

19930625 is a deficient number, since it is larger than the sum of its proper divisors (9459967).

19930625 is a wasteful number, since it uses less digits than its factorization.

19930625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 19930625 is about 4464.3728562924. The cubic root of 19930625 is about 271.1275435273.

The spelling of 19930625 in words is "nineteen million, nine hundred thirty thousand, six hundred twenty-five".