90512295 has 16 divisors (see below), whose sum is σ = 152442240. Its totient is φ = 45732384.

The previous prime is 90512293. The next prime is 90512299. The reversal of 90512295 is 59221509.

It is not a de Polignac number, because 90512295 - 2¹ = 90512293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90512293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158509 + ... + 159078.

It is an arithmetic number, because the mean of its divisors is an integer number (9527640).

Almost surely, 2^90512295 is an apocalyptic number.

90512295 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90512295 is a deficient number, since it is larger than the sum of its proper divisors (61929945).

90512295 is a wasteful number, since it uses less digits than its factorization.

90512295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317614.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 90512295 is about 9513.7949841270. The cubic root of 90512295 is about 448.9891631520.

The spelling of 90512295 in words is "ninety million, five hundred twelve thousand, two hundred ninety-five".