90932249 has 2 divisors, whose sum is σ = 90932250. Its totient is φ = 90932248.

The previous prime is 90932221. The next prime is 90932267. The reversal of 90932249 is 94223909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83814025 + 7118224 = 9155^2 + 2668^2 .

It is a cyclic number.

It is not a de Polignac number, because 90932249 - 2¹² = 90928153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90932449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45466124 + 45466125.

It is an arithmetic number, because the mean of its divisors is an integer number (45466125).

Almost surely, 2^90932249 is an apocalyptic number.

It is an amenable number.

90932249 is a deficient number, since it is larger than the sum of its proper divisors (1).

90932249 is an equidigital number, since it uses as much as digits as its factorization.

90932249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 90932249 is about 9535.8402356583. The cubic root of 90932249 is about 449.6824904286.

The spelling of 90932249 in words is "ninety million, nine hundred thirty-two thousand, two hundred forty-nine".