90174433 has 2 divisors, whose sum is σ = 90174434. Its totient is φ = 90174432.

The previous prime is 90174407. The next prime is 90174451. The reversal of 90174433 is 33447109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48274704 + 41899729 = 6948^2 + 6473^2 .

It is a cyclic number.

It is not a de Polignac number, because 90174433 - 2¹⁷ = 90043361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90174395 and 90174404.

It is not a weakly prime, because it can be changed into another prime (90154433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45087216 + 45087217.

It is an arithmetic number, because the mean of its divisors is an integer number (45087217).

Almost surely, 2^90174433 is an apocalyptic number.

It is an amenable number.

90174433 is a deficient number, since it is larger than the sum of its proper divisors (1).

90174433 is an equidigital number, since it uses as much as digits as its factorization.

90174433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 90174433 is about 9496.0219565879. The cubic root of 90174433 is about 448.4298081365.

The spelling of 90174433 in words is "ninety million, one hundred seventy-four thousand, four hundred thirty-three".