90424351 has 2 divisors, whose sum is σ = 90424352. Its totient is φ = 90424350.

The previous prime is 90424331. The next prime is 90424417. The reversal of 90424351 is 15342409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90424351 - 2⁵ = 90424319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90424331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45212175 + 45212176.

It is an arithmetic number, because the mean of its divisors is an integer number (45212176).

Almost surely, 2^90424351 is an apocalyptic number.

90424351 is a deficient number, since it is larger than the sum of its proper divisors (1).

90424351 is an equidigital number, since it uses as much as digits as its factorization.

90424351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 90424351 is about 9509.1719408159. The cubic root of 90424351 is about 448.8436996789.

The spelling of 90424351 in words is "ninety million, four hundred twenty-four thousand, three hundred fifty-one".