90350413 has 4 divisors (see below), whose sum is σ = 90513180. Its totient is φ = 90187648.

The previous prime is 90350387. The next prime is 90350419. The reversal of 90350413 is 31405309.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48191364 + 42159049 = 6942^2 + 6493^2 .

It is a cyclic number.

It is not a de Polignac number, because 90350413 - 2¹⁷ = 90219341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90350419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80548 + ... + 81661.

It is an arithmetic number, because the mean of its divisors is an integer number (22628295).

Almost surely, 2^90350413 is an apocalyptic number.

It is an amenable number.

90350413 is a deficient number, since it is larger than the sum of its proper divisors (162767).

90350413 is a wasteful number, since it uses less digits than its factorization.

90350413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162766.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 90350413 is about 9505.2834255481. The cubic root of 90350413 is about 448.7213297843.

The spelling of 90350413 in words is "ninety million, three hundred fifty thousand, four hundred thirteen".