2625002791 has 4 divisors (see below), whose sum is σ = 2641722712. Its totient is φ = 2608282872.

The previous prime is 2625002789. The next prime is 2625002837. The reversal of 2625002791 is 1972005262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2625002791 - 2¹ = 2625002789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625002711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359725 + ... + 8360038.

It is an arithmetic number, because the mean of its divisors is an integer number (660430678).

Almost surely, 2^2625002791 is an apocalyptic number.

2625002791 is a deficient number, since it is larger than the sum of its proper divisors (16719921).

2625002791 is a wasteful number, since it uses less digits than its factorization.

2625002791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16719920.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2625002791 is about 51234.7810671618. The cubic root of 2625002791 is about 1379.4625770893.

The spelling of 2625002791 in words is "two billion, six hundred twenty-five million, two thousand, seven hundred ninety-one".