90828253 has 2 divisors, whose sum is σ = 90828254. Its totient is φ = 90828252.

The previous prime is 90828239. The next prime is 90828281. The reversal of 90828253 is 35282809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64593369 + 26234884 = 8037^2 + 5122^2 .

It is a cyclic number.

It is not a de Polignac number, because 90828253 - 2¹³ = 90820061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90828953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45414126 + 45414127.

It is an arithmetic number, because the mean of its divisors is an integer number (45414127).

Almost surely, 2^90828253 is an apocalyptic number.

It is an amenable number.

90828253 is a deficient number, since it is larger than the sum of its proper divisors (1).

90828253 is an equidigital number, since it uses as much as digits as its factorization.

90828253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 90828253 is about 9530.3857739338. The cubic root of 90828253 is about 449.5109963766.

It can be divided in two parts, 908 and 28253, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 90828253 in words is "ninety million, eight hundred twenty-eight thousand, two hundred fifty-three".