90467249 has 2 divisors, whose sum is σ = 90467250. Its totient is φ = 90467248.

The previous prime is 90467243. The next prime is 90467291. The reversal of 90467249 is 94276409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74943649 + 15523600 = 8657^2 + 3940^2 .

It is an emirp because it is prime and its reverse (94276409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90467249 - 2¹⁶ = 90401713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (90467243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45233624 + 45233625.

It is an arithmetic number, because the mean of its divisors is an integer number (45233625).

Almost surely, 2^90467249 is an apocalyptic number.

It is an amenable number.

90467249 is a deficient number, since it is larger than the sum of its proper divisors (1).

90467249 is an equidigital number, since it uses as much as digits as its factorization.

90467249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 90467249 is about 9511.4272851134. The cubic root of 90467249 is about 448.9146667462.

The spelling of 90467249 in words is "ninety million, four hundred sixty-seven thousand, two hundred forty-nine".