90948511 has 2 divisors, whose sum is σ = 90948512. Its totient is φ = 90948510.

The previous prime is 90948491. The next prime is 90948527. The reversal of 90948511 is 11584909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90948511 - 2¹⁵ = 90915743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90948541) 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, 45474255 + 45474256.

It is an arithmetic number, because the mean of its divisors is an integer number (45474256).

Almost surely, 2^90948511 is an apocalyptic number.

90948511 is a deficient number, since it is larger than the sum of its proper divisors (1).

90948511 is an equidigital number, since it uses as much as digits as its factorization.

90948511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 90948511 is about 9536.6928754155. The cubic root of 90948511 is about 449.7092953698.

The spelling of 90948511 in words is "ninety million, nine hundred forty-eight thousand, five hundred eleven".