90964529 has 2 divisors, whose sum is σ = 90964530. Its totient is φ = 90964528.

The previous prime is 90964513. The next prime is 90964583. The reversal of 90964529 is 92546909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89397025 + 1567504 = 9455^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 90964529 - 2⁴ = 90964513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90964529.

It is not a weakly prime, because it can be changed into another prime (90964429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45482264 + 45482265.

It is an arithmetic number, because the mean of its divisors is an integer number (45482265).

Almost surely, 2^90964529 is an apocalyptic number.

It is an amenable number.

90964529 is a deficient number, since it is larger than the sum of its proper divisors (1).

90964529 is an equidigital number, since it uses as much as digits as its factorization.

90964529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 90964529 is about 9537.5326473884. The cubic root of 90964529 is about 449.7356949981.

The spelling of 90964529 in words is "ninety million, nine hundred sixty-four thousand, five hundred twenty-nine".