90253159 has 2 divisors, whose sum is σ = 90253160. Its totient is φ = 90253158.

The previous prime is 90253151. The next prime is 90253171. The reversal of 90253159 is 95135209.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90253159 - 2³ = 90253151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90253151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45126579 + 45126580.

It is an arithmetic number, because the mean of its divisors is an integer number (45126580).

Almost surely, 2^90253159 is an apocalyptic number.

90253159 is a deficient number, since it is larger than the sum of its proper divisors (1).

90253159 is an equidigital number, since it uses as much as digits as its factorization.

90253159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 90253159 is about 9500.1662617030. The cubic root of 90253159 is about 448.5602694185.

The spelling of 90253159 in words is "ninety million, two hundred fifty-three thousand, one hundred fifty-nine".