2534637857 has 2 divisors, whose sum is σ = 2534637858. Its totient is φ = 2534637856.

The previous prime is 2534637821. The next prime is 2534637869. The reversal of 2534637857 is 7587364352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2349922576 + 184715281 = 48476^2 + 13591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534637857 - 2⁶ = 2534637793 is a prime.

It is a super-2 number, since 2×2534637857² = 12848778132275104898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2534637877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267318928 + 1267318929.

It is an arithmetic number, because the mean of its divisors is an integer number (1267318929).

Almost surely, 2^2534637857 is an apocalyptic number.

It is an amenable number.

2534637857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2534637857 is an equidigital number, since it uses as much as digits as its factorization.

2534637857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 50.

The square root of 2534637857 is about 50345.1870291491. The cubic root of 2534637857 is about 1363.4481878610.

The spelling of 2534637857 in words is "two billion, five hundred thirty-four million, six hundred thirty-seven thousand, eight hundred fifty-seven".