90367481 has 2 divisors, whose sum is σ = 90367482. Its totient is φ = 90367480.

The previous prime is 90367469. The next prime is 90367493. The reversal of 90367481 is 18476309.

It is a balanced prime because it is at equal distance from previous prime (90367469) and next prime (90367493).

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 20394256 = 8365^2 + 4516^2 .

It is a cyclic number.

It is not a de Polignac number, because 90367481 - 2²⁶ = 23258617 is a prime.

It is a super-2 number, since 2×90367481² = 16332563244570722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (90367411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45183740 + 45183741.

It is an arithmetic number, because the mean of its divisors is an integer number (45183741).

Almost surely, 2^90367481 is an apocalyptic number.

It is an amenable number.

90367481 is a deficient number, since it is larger than the sum of its proper divisors (1).

90367481 is an equidigital number, since it uses as much as digits as its factorization.

90367481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 90367481 is about 9506.1811996195. The cubic root of 90367481 is about 448.7495838276.

The spelling of 90367481 in words is "ninety million, three hundred sixty-seven thousand, four hundred eighty-one".