2787925251 has 16 divisors (see below), whose sum is σ = 3939040800. Its totient is φ = 1747888128.

The previous prime is 2787925249. The next prime is 2787925277. The reversal of 2787925251 is 1525297872.

It is not a de Polignac number, because 2787925251 - 2¹ = 2787925249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2787925251.

It is not an unprimeable number, because it can be changed into a prime (2787925241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44535 + ... + 86943.

It is an arithmetic number, because the mean of its divisors is an integer number (246190050).

Almost surely, 2^2787925251 is an apocalyptic number.

2787925251 is a deficient number, since it is larger than the sum of its proper divisors (1151115549).

2787925251 is a wasteful number, since it uses less digits than its factorization.

2787925251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43718.

The product of its digits is 705600, while the sum is 48.

The square root of 2787925251 is about 52800.8072949647. The cubic root of 2787925251 is about 1407.4307707506.

The spelling of 2787925251 in words is "two billion, seven hundred eighty-seven million, nine hundred twenty-five thousand, two hundred fifty-one".