90828953 has 2 divisors, whose sum is σ = 90828954. Its totient is φ = 90828952.

The previous prime is 90828931. The next prime is 90828961. The reversal of 90828953 is 35982809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70425664 + 20403289 = 8392^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 90828953 - 2⁶ = 90828889 is a prime.

It is a super-4 number, since 4×90828953⁴ (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (90828923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45414476 + 45414477.

It is an arithmetic number, because the mean of its divisors is an integer number (45414477).

Almost surely, 2^90828953 is an apocalyptic number.

It is an amenable number.

90828953 is a deficient number, since it is larger than the sum of its proper divisors (1).

90828953 is an equidigital number, since it uses as much as digits as its factorization.

90828953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 90828953 is about 9530.4224985045. The cubic root of 90828953 is about 449.5121511454.

The spelling of 90828953 in words is "ninety million, eight hundred twenty-eight thousand, nine hundred fifty-three".