2562791 has 16 divisors (see below), whose sum is σ = 3241728. Its totient is φ = 1968000.

The previous prime is 2562751. The next prime is 2562803. The reversal of 2562791 is 1972652.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2562791 is a prime.

It is a super-4 number, since 4×2562791⁴ (a number of 27 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6191 + ... + 6591.

It is an arithmetic number, because the mean of its divisors is an integer number (202608).

2^2562791 is an apocalyptic number.

2562791 is a deficient number, since it is larger than the sum of its proper divisors (678937).

2562791 is a wasteful number, since it uses less digits than its factorization.

2562791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its digits is 7560, while the sum is 32.

The square root of 2562791 is about 1600.8719499073. The cubic root of 2562791 is about 136.8477716666.

The spelling of 2562791 in words is "two million, five hundred sixty-two thousand, seven hundred ninety-one".