2651992725 has 24 divisors (see below), whose sum is σ = 4535825760. Its totient is φ = 1365622720.

The previous prime is 2651992687. The next prime is 2651992771. The reversal of 2651992725 is 5272991562.

It is a happy number.

It is not a de Polignac number, because 2651992725 - 2¹² = 2651988629 is a prime.

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, 607479 + ... + 611828.

It is an arithmetic number, because the mean of its divisors is an integer number (188992740).

Almost surely, 2^2651992725 is an apocalyptic number.

2651992725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2651992725 is a deficient number, since it is larger than the sum of its proper divisors (1883833035).

2651992725 is a wasteful number, since it uses less digits than its factorization.

2651992725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219349 (or 1219344 counting only the distinct ones).

The product of its digits is 680400, while the sum is 48.

The square root of 2651992725 is about 51497.5021238895. The cubic root of 2651992725 is about 1384.1742831088.

The spelling of 2651992725 in words is "two billion, six hundred fifty-one million, nine hundred ninety-two thousand, seven hundred twenty-five".