2549357 has 2 divisors, whose sum is σ = 2549358. Its totient is φ = 2549356.

The previous prime is 2549317. The next prime is 2549359. The reversal of 2549357 is 7539452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1406596 + 1142761 = 1186^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549357 - 2⁶ = 2549293 is a prime.

It is a super-2 number, since 2×2549357² = 12998442226898, which contains 22 as substring.

Together with 2549359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2549359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274678 + 1274679.

It is an arithmetic number, because the mean of its divisors is an integer number (1274679).

2^2549357 is an apocalyptic number.

It is an amenable number.

2549357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549357 is an equidigital number, since it uses as much as digits as its factorization.

2549357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 2549357 is about 1596.6705984642. The cubic root of 2549357 is about 136.6082366393.

The spelling of 2549357 in words is "two million, five hundred forty-nine thousand, three hundred fifty-seven".