90250095 has 32 divisors (see below), whose sum is σ = 163699200. Its totient is φ = 42090624.

The previous prime is 90250079. The next prime is 90250109. The reversal of 90250095 is 59005209.

It is not a de Polignac number, because 90250095 - 2⁴ = 90250079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8475 + ... + 15884.

It is an arithmetic number, because the mean of its divisors is an integer number (5115600).

Almost surely, 2^90250095 is an apocalyptic number.

90250095 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90250095 is a deficient number, since it is larger than the sum of its proper divisors (73449105).

90250095 is a wasteful number, since it uses less digits than its factorization.

90250095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24399.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 90250095 is about 9500.0049999987. The cubic root of 90250095 is about 448.5551933109. Note that the first 3 decimals are identical.

The spelling of 90250095 in words is "ninety million, two hundred fifty thousand, ninety-five".