2562091 has 4 divisors (see below), whose sum is σ = 2928112. Its totient is φ = 2196072.

The previous prime is 2562031. The next prime is 2562097. The reversal of 2562091 is 1902652.

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 2562091 - 2⁷ = 2561963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2562097) 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, 183000 + ... + 183013.

It is an arithmetic number, because the mean of its divisors is an integer number (732028).

2^2562091 is an apocalyptic number.

2562091 is a deficient number, since it is larger than the sum of its proper divisors (366021).

2562091 is an equidigital number, since it uses as much as digits as its factorization.

2562091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366020.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2562091 is about 1600.6533041230. The cubic root of 2562091 is about 136.8353110117.

The spelling of 2562091 in words is "two million, five hundred sixty-two thousand, ninety-one".