90248311 has 2 divisors, whose sum is σ = 90248312. Its totient is φ = 90248310.

The previous prime is 90248299. The next prime is 90248317. The reversal of 90248311 is 11384209.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11384209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90248311 - 2⁷ = 90248183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90248311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90248317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45124155 + 45124156.

It is an arithmetic number, because the mean of its divisors is an integer number (45124156).

Almost surely, 2^90248311 is an apocalyptic number.

90248311 is a deficient number, since it is larger than the sum of its proper divisors (1).

90248311 is an equidigital number, since it uses as much as digits as its factorization.

90248311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 90248311 is about 9499.9111048472. The cubic root of 90248311 is about 448.5522377176.

The spelling of 90248311 in words is "ninety million, two hundred forty-eight thousand, three hundred eleven".