90364251 has 8 divisors (see below), whose sum is σ = 120532480. Its totient is φ = 60219432.

The previous prime is 90364243. The next prime is 90364259. The reversal of 90364251 is 15246309.

It is an interprime number because it is at equal distance from previous prime (90364243) and next prime (90364259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90364251 - 2³ = 90364243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90364259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7530 + ... + 15408.

It is an arithmetic number, because the mean of its divisors is an integer number (15066560).

Almost surely, 2^90364251 is an apocalyptic number.

90364251 is a deficient number, since it is larger than the sum of its proper divisors (30168229).

90364251 is a wasteful number, since it uses less digits than its factorization.

90364251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11705.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 90364251 is about 9506.0113086404. The cubic root of 90364251 is about 448.7442372198.

The spelling of 90364251 in words is "ninety million, three hundred sixty-four thousand, two hundred fifty-one".