90837361 has 2 divisors, whose sum is σ = 90837362. Its totient is φ = 90837360.

The previous prime is 90837343. The next prime is 90837377. The reversal of 90837361 is 16373809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54464400 + 36372961 = 7380^2 + 6031^2 .

It is a cyclic number.

It is not a de Polignac number, because 90837361 - 2⁹ = 90836849 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90837361.

It is not a weakly prime, because it can be changed into another prime (90837311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45418680 + 45418681.

It is an arithmetic number, because the mean of its divisors is an integer number (45418681).

Almost surely, 2^90837361 is an apocalyptic number.

It is an amenable number.

90837361 is a deficient number, since it is larger than the sum of its proper divisors (1).

90837361 is an equidigital number, since it uses as much as digits as its factorization.

90837361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 90837361 is about 9530.8636020038. The cubic root of 90837361 is about 449.5260211043.

The spelling of 90837361 in words is "ninety million, eight hundred thirty-seven thousand, three hundred sixty-one".