90465841 has 2 divisors, whose sum is σ = 90465842. Its totient is φ = 90465840.

The previous prime is 90465811. The next prime is 90465847. The reversal of 90465841 is 14856409.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88435216 + 2030625 = 9404^2 + 1425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90465841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90465841.

It is not a weakly prime, because it can be changed into another prime (90465847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45232920 + 45232921.

It is an arithmetic number, because the mean of its divisors is an integer number (45232921).

Almost surely, 2^90465841 is an apocalyptic number.

It is an amenable number.

90465841 is a deficient number, since it is larger than the sum of its proper divisors (1).

90465841 is an equidigital number, since it uses as much as digits as its factorization.

90465841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 90465841 is about 9511.3532685943. The cubic root of 90465841 is about 448.9123378182.

The spelling of 90465841 in words is "ninety million, four hundred sixty-five thousand, eight hundred forty-one".