2591457 has 20 divisors (see below), whose sum is σ = 3865200. Its totient is φ = 1543960.

The previous prime is 2591453. The next prime is 2591461. The reversal of 2591457 is 7541952.

2591457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2591453) and next prime (2591461).

It is not a de Polignac number, because 2591457 - 2² = 2591453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2591453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43894 + ... + 43952.

It is an arithmetic number, because the mean of its divisors is an integer number (193260).

2^2591457 is an apocalyptic number.

It is an amenable number.

2591457 is a deficient number, since it is larger than the sum of its proper divisors (1273743).

2591457 is an frugal number, since it uses more digits than its factorization.

2591457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 73 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 2591457 is about 1609.8002981737. The cubic root of 2591457 is about 137.3561161551.

The spelling of 2591457 in words is "two million, five hundred ninety-one thousand, four hundred fifty-seven".