90030959 has 2 divisors, whose sum is σ = 90030960. Its totient is φ = 90030958.

The previous prime is 90030923. The next prime is 90030979. The reversal of 90030959 is 95903009.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90030959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90030979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45015479 + 45015480.

It is an arithmetic number, because the mean of its divisors is an integer number (45015480).

Almost surely, 2^90030959 is an apocalyptic number.

90030959 is a deficient number, since it is larger than the sum of its proper divisors (1).

90030959 is an equidigital number, since it uses as much as digits as its factorization.

90030959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 90030959 is about 9488.4645227771. The cubic root of 90030959 is about 448.1918538795.

The spelling of 90030959 in words is "ninety million, thirty thousand, nine hundred fifty-nine".