57526578131497 has 2 divisors, whose sum is σ = 57526578131498. Its totient is φ = 57526578131496.

The previous prime is 57526578131417. The next prime is 57526578131527. The reversal of 57526578131497 is 79413187562575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55301770218256 + 2224807913241 = 7436516^2 + 1491579^2 .

It is a cyclic number.

It is not a de Polignac number, because 57526578131497 - 2¹⁵ = 57526578098729 is a prime.

It is a super-2 number, since 2×57526578131497² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57526578131417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28763289065748 + 28763289065749.

It is an arithmetic number, because the mean of its divisors is an integer number (28763289065749).

Almost surely, 2^{57526578131497} is an apocalyptic number.

It is an amenable number.

57526578131497 is a deficient number, since it is larger than the sum of its proper divisors (1).

57526578131497 is an equidigital number, since it uses as much as digits as its factorization.

57526578131497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528000, while the sum is 70.

The spelling of 57526578131497 in words is "fifty-seven trillion, five hundred twenty-six billion, five hundred seventy-eight million, one hundred thirty-one thousand, four hundred ninety-seven".