90481253 has 2 divisors, whose sum is σ = 90481254. Its totient is φ = 90481252.

The previous prime is 90481217. The next prime is 90481267. The reversal of 90481253 is 35218409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48205249 + 42276004 = 6943^2 + 6502^2 .

It is an emirp because it is prime and its reverse (35218409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90481253 - 2⁸ = 90480997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90481213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45240626 + 45240627.

It is an arithmetic number, because the mean of its divisors is an integer number (45240627).

Almost surely, 2^90481253 is an apocalyptic number.

It is an amenable number.

90481253 is a deficient number, since it is larger than the sum of its proper divisors (1).

90481253 is an equidigital number, since it uses as much as digits as its factorization.

90481253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 90481253 is about 9512.1634237433. The cubic root of 90481253 is about 448.9378290018.

It can be divided in two parts, 9048 and 1253, that added together give a palindrome (10301).

The spelling of 90481253 in words is "ninety million, four hundred eighty-one thousand, two hundred fifty-three".