90527237 has 2 divisors, whose sum is σ = 90527238. Its totient is φ = 90527236.

The previous prime is 90527207. The next prime is 90527263. The reversal of 90527237 is 73272509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84529636 + 5997601 = 9194^2 + 2449^2 .

It is a cyclic number.

It is not a de Polignac number, because 90527237 - 2¹⁰ = 90526213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90527197 and 90527206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90527207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45263618 + 45263619.

It is an arithmetic number, because the mean of its divisors is an integer number (45263619).

Almost surely, 2^90527237 is an apocalyptic number.

It is an amenable number.

90527237 is a deficient number, since it is larger than the sum of its proper divisors (1).

90527237 is an equidigital number, since it uses as much as digits as its factorization.

90527237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 90527237 is about 9514.5802324643. The cubic root of 90527237 is about 449.0138685505.

The spelling of 90527237 in words is "ninety million, five hundred twenty-seven thousand, two hundred thirty-seven".