90936653 has 2 divisors, whose sum is σ = 90936654. Its totient is φ = 90936652.

The previous prime is 90936649. The next prime is 90936661. The reversal of 90936653 is 35663909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90878089 + 58564 = 9533^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 90936653 - 2² = 90936649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90936653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90936613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45468326 + 45468327.

It is an arithmetic number, because the mean of its divisors is an integer number (45468327).

Almost surely, 2^90936653 is an apocalyptic number.

It is an amenable number.

90936653 is a deficient number, since it is larger than the sum of its proper divisors (1).

90936653 is an equidigital number, since it uses as much as digits as its factorization.

90936653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 41.

The square root of 90936653 is about 9536.0711511607. The cubic root of 90936653 is about 449.6897499349.

The spelling of 90936653 in words is "ninety million, nine hundred thirty-six thousand, six hundred fifty-three".