2507291 has 2 divisors, whose sum is σ = 2507292. Its totient is φ = 2507290.

The previous prime is 2507251. The next prime is 2507303. The reversal of 2507291 is 1927052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2507291 - 2⁶ = 2507227 is a prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p₁₈₃₅₇₂ and since 2507291 and 183572 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2507291.

It is not a weakly prime, because it can be changed into another prime (2507251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253645 + 1253646.

It is an arithmetic number, because the mean of its divisors is an integer number (1253646).

2^2507291 is an apocalyptic number.

2507291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2507291 is an equidigital number, since it uses as much as digits as its factorization.

2507291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2507291 is about 1583.4427681479. The cubic root of 2507291 is about 135.8526915673.

The spelling of 2507291 in words is "two million, five hundred seven thousand, two hundred ninety-one".