90736453 has 2 divisors, whose sum is σ = 90736454. Its totient is φ = 90736452.

The previous prime is 90736439. The next prime is 90736483. The reversal of 90736453 is 35463709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83777409 + 6959044 = 9153^2 + 2638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90736453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90736433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45368226 + 45368227.

It is an arithmetic number, because the mean of its divisors is an integer number (45368227).

Almost surely, 2^90736453 is an apocalyptic number.

It is an amenable number.

90736453 is a deficient number, since it is larger than the sum of its proper divisors (1).

90736453 is an equidigital number, since it uses as much as digits as its factorization.

90736453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 90736453 is about 9525.5683819917. The cubic root of 90736453 is about 449.3595052634.

The spelling of 90736453 in words is "ninety million, seven hundred thirty-six thousand, four hundred fifty-three".