2537656741 has 2 divisors, whose sum is σ = 2537656742. Its totient is φ = 2537656740.

The previous prime is 2537656703. The next prime is 2537656753. The reversal of 2537656741 is 1476567352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2537136900 + 519841 = 50370^2 + 721^2 .

It is a cyclic number.

It is not a de Polignac number, because 2537656741 - 2²⁷ = 2403439013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2537656691 and 2537656700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2537656841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268828370 + 1268828371.

It is an arithmetic number, because the mean of its divisors is an integer number (1268828371).

Almost surely, 2^2537656741 is an apocalyptic number.

It is an amenable number.

2537656741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2537656741 is an equidigital number, since it uses as much as digits as its factorization.

2537656741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 46.

The square root of 2537656741 is about 50375.1599600438. The cubic root of 2537656741 is about 1363.9892853895.

The spelling of 2537656741 in words is "two billion, five hundred thirty-seven million, six hundred fifty-six thousand, seven hundred forty-one".