2657291 has 8 divisors (see below), whose sum is σ = 3270624. Its totient is φ = 2102400.

The previous prime is 2657279. The next prime is 2657293. The reversal of 2657291 is 1927562.

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

It is a cyclic number.

It is not a de Polignac number, because 2657291 - 2¹⁴ = 2640907 is a prime.

It is a super-2 number, since 2×2657291² = 14122390917362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2657293) 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, 14510 + ... + 14691.

It is an arithmetic number, because the mean of its divisors is an integer number (408828).

2^2657291 is an apocalyptic number.

2657291 is a deficient number, since it is larger than the sum of its proper divisors (613333).

2657291 is a wasteful number, since it uses less digits than its factorization.

2657291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29221.

The product of its digits is 7560, while the sum is 32.

The square root of 2657291 is about 1630.1199342380. The cubic root of 2657291 is about 138.5095459281.

The spelling of 2657291 in words is "two million, six hundred fifty-seven thousand, two hundred ninety-one".