1912685725 has 24 divisors (see below), whose sum is σ = 2517160320. Its totient is φ = 1436747520.

The previous prime is 1912685717. The next prime is 1912685729. The reversal of 1912685725 is 5275862191.

It is not a de Polignac number, because 1912685725 - 2³ = 1912685717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912685729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183196 + ... + 193354.

It is an arithmetic number, because the mean of its divisors is an integer number (104881680).

Almost surely, 2^1912685725 is an apocalyptic number.

It is an amenable number.

1912685725 is a deficient number, since it is larger than the sum of its proper divisors (604474595).

1912685725 is a wasteful number, since it uses less digits than its factorization.

1912685725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10629 (or 10624 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The square root of 1912685725 is about 43734.2625981049. The cubic root of 1912685725 is about 1241.3127194575.

The spelling of 1912685725 in words is "one billion, nine hundred twelve million, six hundred eighty-five thousand, seven hundred twenty-five".