2539157 has 2 divisors, whose sum is σ = 2539158. Its totient is φ = 2539156.

The previous prime is 2539151. The next prime is 2539181. The reversal of 2539157 is 7519352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2283121 + 256036 = 1511^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539157 - 2⁶ = 2539093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2539151) 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, 1269578 + 1269579.

It is an arithmetic number, because the mean of its divisors is an integer number (1269579).

2^2539157 is an apocalyptic number.

It is an amenable number.

2539157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539157 is an equidigital number, since it uses as much as digits as its factorization.

2539157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 32.

The square root of 2539157 is about 1593.4732504815. The cubic root of 2539157 is about 136.4258028601.

The spelling of 2539157 in words is "two million, five hundred thirty-nine thousand, one hundred fifty-seven".