1902500725 has 12 divisors (see below), whose sum is σ = 2399087520. Its totient is φ = 1496202800.

The previous prime is 1902500713. The next prime is 1902500731. The reversal of 1902500725 is 5270052091.

It is not a de Polignac number, because 1902500725 - 2¹¹ = 1902498677 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643441 + ... + 646390.

It is an arithmetic number, because the mean of its divisors is an integer number (199923960).

Almost surely, 2^1902500725 is an apocalyptic number.

It is an amenable number.

1902500725 is a deficient number, since it is larger than the sum of its proper divisors (496586795).

1902500725 is a wasteful number, since it uses less digits than its factorization.

1902500725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289900 (or 1289895 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1902500725 is about 43617.6652859825. The cubic root of 1902500725 is about 1239.1054780361.

The spelling of 1902500725 in words is "one billion, nine hundred two million, five hundred thousand, seven hundred twenty-five".