25073502131677 has 2 divisors, whose sum is σ = 25073502131678. Its totient is φ = 25073502131676.

The previous prime is 25073502131669. The next prime is 25073502131719. The reversal of 25073502131677 is 77613120537052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24302326608121 + 771175523556 = 4929739^2 + 878166^2 .

It is a cyclic number.

It is not a de Polignac number, because 25073502131677 - 2³ = 25073502131669 is a prime.

It is a super-2 number, since 2×25073502131677² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25073502131677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25073502131077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12536751065838 + 12536751065839.

It is an arithmetic number, because the mean of its divisors is an integer number (12536751065839).

Almost surely, 2^{25073502131677} is an apocalyptic number.

It is an amenable number.

25073502131677 is a deficient number, since it is larger than the sum of its proper divisors (1).

25073502131677 is an equidigital number, since it uses as much as digits as its factorization.

25073502131677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The spelling of 25073502131677 in words is "twenty-five trillion, seventy-three billion, five hundred two million, one hundred thirty-one thousand, six hundred seventy-seven".