90310349 has 2 divisors, whose sum is σ = 90310350. Its totient is φ = 90310348.

The previous prime is 90310327. The next prime is 90310369. The reversal of 90310349 is 94301309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60684100 + 29626249 = 7790^2 + 5443^2 .

It is an emirp because it is prime and its reverse (94301309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90310349 - 2²⁴ = 73533133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90310369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45155174 + 45155175.

It is an arithmetic number, because the mean of its divisors is an integer number (45155175).

Almost surely, 2^90310349 is an apocalyptic number.

It is an amenable number.

90310349 is a deficient number, since it is larger than the sum of its proper divisors (1).

90310349 is an equidigital number, since it uses as much as digits as its factorization.

90310349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 90310349 is about 9503.1757323539. The cubic root of 90310349 is about 448.6549946171.

The spelling of 90310349 in words is "ninety million, three hundred ten thousand, three hundred forty-nine".