90359951 has 4 divisors (see below), whose sum is σ = 98574504. Its totient is φ = 82145400.

The previous prime is 90359921. The next prime is 90359959. The reversal of 90359951 is 15995309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15995309 = 11 ⋅1454119.

It is a cyclic number.

It is not a de Polignac number, because 90359951 - 2⁶ = 90359887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90359899 and 90359908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90359959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4107260 + ... + 4107281.

It is an arithmetic number, because the mean of its divisors is an integer number (24643626).

Almost surely, 2^90359951 is an apocalyptic number.

90359951 is a deficient number, since it is larger than the sum of its proper divisors (8214553).

90359951 is a wasteful number, since it uses less digits than its factorization.

90359951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214552.

The product of its (nonzero) digits is 54675, while the sum is 41.

The square root of 90359951 is about 9505.7851332754. The cubic root of 90359951 is about 448.7371192471.

The spelling of 90359951 in words is "ninety million, three hundred fifty-nine thousand, nine hundred fifty-one".