90535901 has 2 divisors, whose sum is σ = 90535902. Its totient is φ = 90535900.

The previous prime is 90535859. The next prime is 90535927. The reversal of 90535901 is 10953509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90535225 + 676 = 9515^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 90535901 - 2²² = 86341597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90535001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45267950 + 45267951.

It is an arithmetic number, because the mean of its divisors is an integer number (45267951).

Almost surely, 2^90535901 is an apocalyptic number.

It is an amenable number.

90535901 is a deficient number, since it is larger than the sum of its proper divisors (1).

90535901 is an equidigital number, since it uses as much as digits as its factorization.

90535901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 90535901 is about 9515.0355227923. The cubic root of 90535901 is about 449.0281925344.

The spelling of 90535901 in words is "ninety million, five hundred thirty-five thousand, nine hundred one".