2651123925 has 36 divisors (see below), whose sum is σ = 4924337600. Its totient is φ = 1413929520.

The previous prime is 2651123899. The next prime is 2651123927. The reversal of 2651123925 is 5293211562.

It is a happy number.

2651123925 is a `hidden beast` number, since 265 + 1 + 1 + 2 + 392 + 5 = 666.

It is not a de Polignac number, because 2651123925 - 2⁹ = 2651123413 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2651123925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651123927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 212125 + ... + 224274.

Almost surely, 2^2651123925 is an apocalyptic number.

2651123925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2651123925 is a deficient number, since it is larger than the sum of its proper divisors (2273213675).

2651123925 is an equidigital number, since it uses as much as digits as its factorization.

2651123925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436424 (or 436407 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2651123925 is about 51489.0660723226. The cubic root of 2651123925 is about 1384.0231135183.

The spelling of 2651123925 in words is "two billion, six hundred fifty-one million, one hundred twenty-three thousand, nine hundred twenty-five".