2591157 has 24 divisors (see below), whose sum is σ = 3900096. Its totient is φ = 1522048.

The previous prime is 2591153. The next prime is 2591167. The reversal of 2591157 is 7511952.

It is not a de Polignac number, because 2591157 - 2² = 2591153 is a prime.

Its product of digits (3150) is a multiple of the sum of its prime divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55108 + ... + 55154.

It is an arithmetic number, because the mean of its divisors is an integer number (162504).

2^2591157 is an apocalyptic number.

It is an amenable number.

2591157 is a deficient number, since it is larger than the sum of its proper divisors (1308939).

2591157 is a wasteful number, since it uses less digits than its factorization.

2591157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 90 counting only the distinct ones).

The product of its digits is 3150, while the sum is 30.

The square root of 2591157 is about 1609.7071162171. The cubic root of 2591157 is about 137.3508156073.

The spelling of 2591157 in words is "two million, five hundred ninety-one thousand, one hundred fifty-seven".