90541313 has 2 divisors, whose sum is σ = 90541314. Its totient is φ = 90541312.

The previous prime is 90541309. The next prime is 90541351. The reversal of 90541313 is 31314509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48330304 + 42211009 = 6952^2 + 6497^2 .

It is a cyclic number.

It is not a de Polignac number, because 90541313 - 2² = 90541309 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90540313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45270656 + 45270657.

It is an arithmetic number, because the mean of its divisors is an integer number (45270657).

Almost surely, 2^90541313 is an apocalyptic number.

It is an amenable number.

90541313 is a deficient number, since it is larger than the sum of its proper divisors (1).

90541313 is an equidigital number, since it uses as much as digits as its factorization.

90541313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 90541313 is about 9515.3199105443. The cubic root of 90541313 is about 449.0371396008.

The spelling of 90541313 in words is "ninety million, five hundred forty-one thousand, three hundred thirteen".