2502791 has 16 divisors (see below), whose sum is σ = 2856384. Its totient is φ = 2179584.

The previous prime is 2502781. The next prime is 2502793. The reversal of 2502791 is 1972052.

It is a cyclic number.

It is not a de Polignac number, because 2502791 - 2¹⁸ = 2240647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2502791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502793) 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, 14381 + ... + 14553.

It is an arithmetic number, because the mean of its divisors is an integer number (178524).

2^2502791 is an apocalyptic number.

2502791 is a deficient number, since it is larger than the sum of its proper divisors (353593).

2502791 is a wasteful number, since it uses less digits than its factorization.

2502791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2502791 is about 1582.0211755852. The cubic root of 2502791 is about 135.7713683101.

The spelling of 2502791 in words is "two million, five hundred two thousand, seven hundred ninety-one".