2542791 has 8 divisors (see below), whose sum is σ = 3405424. Its totient is φ = 1687680.

The previous prime is 2542759. The next prime is 2542817. The reversal of 2542791 is 1972452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2542791 - 2⁵ = 2542759 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 (2542091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (425678).

2^2542791 is an apocalyptic number.

2542791 is a deficient number, since it is larger than the sum of its proper divisors (862633).

2542791 is a wasteful number, since it uses less digits than its factorization.

2542791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761.

The product of its digits is 5040, while the sum is 30.

The square root of 2542791 is about 1594.6131192236. The cubic root of 2542791 is about 136.4908552958.

It can be divided in two parts, 2542 and 791, that added together give a palindrome (3333).

The spelling of 2542791 in words is "two million, five hundred forty-two thousand, seven hundred ninety-one".