1897795925 has 24 divisors (see below), whose sum is σ = 2389656576. Its totient is φ = 1494944640.

The previous prime is 1897795891. The next prime is 1897795967. The reversal of 1897795925 is 5295977981.

It is not a de Polignac number, because 1897795925 - 2¹⁰ = 1897794901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432794 + ... + 437156.

It is an arithmetic number, because the mean of its divisors is an integer number (99569024).

Almost surely, 2^1897795925 is an apocalyptic number.

It is an amenable number.

1897795925 is a deficient number, since it is larger than the sum of its proper divisors (491860651).

1897795925 is a wasteful number, since it uses less digits than its factorization.

1897795925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637 (or 4632 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 62.

The square root of 1897795925 is about 43563.6996248023. The cubic root of 1897795925 is about 1238.0832172550.

The spelling of 1897795925 in words is "one billion, eight hundred ninety-seven million, seven hundred ninety-five thousand, nine hundred twenty-five".