90257119 has 2 divisors, whose sum is σ = 90257120. Its totient is φ = 90257118.

The previous prime is 90257099. The next prime is 90257137. The reversal of 90257119 is 91175209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90257119 - 2¹¹ = 90255071 is a prime.

It is a super-2 number, since 2×90257119² = 16292695060360322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90257179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45128559 + 45128560.

It is an arithmetic number, because the mean of its divisors is an integer number (45128560).

Almost surely, 2^90257119 is an apocalyptic number.

90257119 is a deficient number, since it is larger than the sum of its proper divisors (1).

90257119 is an equidigital number, since it uses as much as digits as its factorization.

90257119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 90257119 is about 9500.3746768220. The cubic root of 90257119 is about 448.5668297528.

The spelling of 90257119 in words is "ninety million, two hundred fifty-seven thousand, one hundred nineteen".