90070511 has 2 divisors, whose sum is σ = 90070512. Its totient is φ = 90070510.

The previous prime is 90070501. The next prime is 90070523. The reversal of 90070511 is 11507009.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90070511 is a prime.

It is a super-2 number, since 2×90070511² = 16225393903602242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90070501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45035255 + 45035256.

It is an arithmetic number, because the mean of its divisors is an integer number (45035256).

Almost surely, 2^90070511 is an apocalyptic number.

90070511 is a deficient number, since it is larger than the sum of its proper divisors (1).

90070511 is an equidigital number, since it uses as much as digits as its factorization.

90070511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 90070511 is about 9490.5485089114. The cubic root of 90070511 is about 448.2574768205.

The spelling of 90070511 in words is "ninety million, seventy thousand, five hundred eleven".