90458201 has 2 divisors, whose sum is σ = 90458202. Its totient is φ = 90458200.

The previous prime is 90458191. The next prime is 90458213. The reversal of 90458201 is 10285409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80371225 + 10086976 = 8965^2 + 3176^2 .

It is an emirp because it is prime and its reverse (10285409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90458201 - 2²² = 86263897 is a prime.

It is a super-2 number, since 2×90458201² = 16365372256312802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90458231) 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, 45229100 + 45229101.

It is an arithmetic number, because the mean of its divisors is an integer number (45229101).

Almost surely, 2^90458201 is an apocalyptic number.

It is an amenable number.

90458201 is a deficient number, since it is larger than the sum of its proper divisors (1).

90458201 is an equidigital number, since it uses as much as digits as its factorization.

90458201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 90458201 is about 9510.9516348260. The cubic root of 90458201 is about 448.8997003159.

The spelling of 90458201 in words is "ninety million, four hundred fifty-eight thousand, two hundred one".