90196259 has 2 divisors, whose sum is σ = 90196260. Its totient is φ = 90196258.

The previous prime is 90196231. The next prime is 90196273. The reversal of 90196259 is 95269109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90196259 - 2¹² = 90192163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90196229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45098129 + 45098130.

It is an arithmetic number, because the mean of its divisors is an integer number (45098130).

Almost surely, 2^90196259 is an apocalyptic number.

90196259 is a deficient number, since it is larger than the sum of its proper divisors (1).

90196259 is an equidigital number, since it uses as much as digits as its factorization.

90196259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 90196259 is about 9497.1711051239. The cubic root of 90196259 is about 448.4659848336.

The spelling of 90196259 in words is "ninety million, one hundred ninety-six thousand, two hundred fifty-nine".