90269527 has 2 divisors, whose sum is σ = 90269528. Its totient is φ = 90269526.

The previous prime is 90269483. The next prime is 90269533. The reversal of 90269527 is 72596209.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90269527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90269527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90269827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45134763 + 45134764.

It is an arithmetic number, because the mean of its divisors is an integer number (45134764).

Almost surely, 2^90269527 is an apocalyptic number.

90269527 is a deficient number, since it is larger than the sum of its proper divisors (1).

90269527 is an equidigital number, since it uses as much as digits as its factorization.

90269527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 90269527 is about 9501.0276812564. The cubic root of 90269527 is about 448.5873842245.

The spelling of 90269527 in words is "ninety million, two hundred sixty-nine thousand, five hundred twenty-seven".