90414251 has 12 divisors (see below), whose sum is σ = 93635352. Its totient is φ = 87294816.

The previous prime is 90414241. The next prime is 90414253. The reversal of 90414251 is 15241409.

It is not a de Polignac number, because 90414251 - 2⁶ = 90414187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90414251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90414253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197615 + ... + 198071.

It is an arithmetic number, because the mean of its divisors is an integer number (7802946).

Almost surely, 2^90414251 is an apocalyptic number.

90414251 is a deficient number, since it is larger than the sum of its proper divisors (3221101).

90414251 is a wasteful number, since it uses less digits than its factorization.

90414251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 90414251 is about 9508.6408597654. The cubic root of 90414251 is about 448.8269877714.

The spelling of 90414251 in words is "ninety million, four hundred fourteen thousand, two hundred fifty-one".