90096431 has 2 divisors, whose sum is σ = 90096432. Its totient is φ = 90096430.

The previous prime is 90096407. The next prime is 90096437. The reversal of 90096431 is 13469009.

It is a strong prime.

It is an emirp because it is prime and its reverse (13469009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90096431 - 2¹⁸ = 89834287 is a prime.

It is a super-2 number, since 2×90096431² = 16234733757875522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90096437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45048215 + 45048216.

It is an arithmetic number, because the mean of its divisors is an integer number (45048216).

Almost surely, 2^90096431 is an apocalyptic number.

90096431 is a deficient number, since it is larger than the sum of its proper divisors (1).

90096431 is an equidigital number, since it uses as much as digits as its factorization.

90096431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 90096431 is about 9491.9139798041. The cubic root of 90096431 is about 448.3004717265.

The spelling of 90096431 in words is "ninety million, ninety-six thousand, four hundred thirty-one".