90598085251 has 2 divisors, whose sum is σ = 90598085252. Its totient is φ = 90598085250.

The previous prime is 90598085213. The next prime is 90598085269. The reversal of 90598085251 is 15258089509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90598085251 - 2²⁹ = 90061214339 is a prime.

It is a super-2 number, since 2×90598085251² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90598085051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45299042625 + 45299042626.

It is an arithmetic number, because the mean of its divisors is an integer number (45299042626).

Almost surely, 2^90598085251 is an apocalyptic number.

90598085251 is a deficient number, since it is larger than the sum of its proper divisors (1).

90598085251 is an equidigital number, since it uses as much as digits as its factorization.

90598085251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 52.

The spelling of 90598085251 in words is "ninety billion, five hundred ninety-eight million, eighty-five thousand, two hundred fifty-one".