2573957 has 2 divisors, whose sum is σ = 2573958. Its totient is φ = 2573956.

The previous prime is 2573947. The next prime is 2573983. The reversal of 2573957 is 7593752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1437601 + 1136356 = 1199^2 + 1066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2573957 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2573957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286978 + 1286979.

It is an arithmetic number, because the mean of its divisors is an integer number (1286979).

2^2573957 is an apocalyptic number.

It is an amenable number.

2573957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573957 is an equidigital number, since it uses as much as digits as its factorization.

2573957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 38.

The square root of 2573957 is about 1604.3556338917. The cubic root of 2573957 is about 137.0462308678.

The spelling of 2573957 in words is "two million, five hundred seventy-three thousand, nine hundred fifty-seven".