2611257 has 16 divisors (see below), whose sum is σ = 3872448. Its totient is φ = 1551680.

The previous prime is 2611237. The next prime is 2611277. The reversal of 2611257 is 7521162.

It is an interprime number because it is at equal distance from previous prime (2611237) and next prime (2611277).

It is a cyclic number.

It is not a de Polignac number, because 2611257 - 2⁸ = 2611001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2611207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (242028).

2^2611257 is an apocalyptic number.

It is an amenable number.

2611257 is a deficient number, since it is larger than the sum of its proper divisors (1261191).

2611257 is a wasteful number, since it uses less digits than its factorization.

2611257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 840, while the sum is 24.

The square root of 2611257 is about 1615.9384270448. The cubic root of 2611257 is about 137.7050516334.

The spelling of 2611257 in words is "two million, six hundred eleven thousand, two hundred fifty-seven".