2542957 has 2 divisors, whose sum is σ = 2542958. Its totient is φ = 2542956.

The previous prime is 2542951. The next prime is 2542987. The reversal of 2542957 is 7592452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 90601 = 1566^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542957 - 2⁷ = 2542829 is a prime.

It is a super-3 number, since 3×2542957³ = 49333088392754824479, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542951) 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, 1271478 + 1271479.

It is an arithmetic number, because the mean of its divisors is an integer number (1271479).

2^2542957 is an apocalyptic number.

It is an amenable number.

2542957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542957 is an equidigital number, since it uses as much as digits as its factorization.

2542957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 2542957 is about 1594.6651686169. The cubic root of 2542957 is about 136.4938253903.

The spelling of 2542957 in words is "two million, five hundred forty-two thousand, nine hundred fifty-seven".