425525320320131 has 2 divisors, whose sum is σ = 425525320320132. Its totient is φ = 425525320320130.

The previous prime is 425525320320059. The next prime is 425525320320173. The reversal of 425525320320131 is 131023023525524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425525320320131 - 2³⁴ = 425508140450947 is a prime.

It is a super-2 number, since 2×425525320320131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425525320320731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212762660160065 + 212762660160066.

It is an arithmetic number, because the mean of its divisors is an integer number (212762660160066).

Almost surely, 2^{425525320320131} is an apocalyptic number.

425525320320131 is a deficient number, since it is larger than the sum of its proper divisors (1).

425525320320131 is an equidigital number, since it uses as much as digits as its factorization.

425525320320131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 425525320320131 its reverse (131023023525524), we get a palindrome (556548343845655).

The spelling of 425525320320131 in words is "four hundred twenty-five trillion, five hundred twenty-five billion, three hundred twenty million, three hundred twenty thousand, one hundred thirty-one".