90611273 has 2 divisors, whose sum is σ = 90611274. Its totient is φ = 90611272.

The previous prime is 90611243. The next prime is 90611281. The reversal of 90611273 is 37211609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46348864 + 44262409 = 6808^2 + 6653^2 .

It is a cyclic number.

It is not a de Polignac number, because 90611273 - 2¹⁰ = 90610249 is a prime.

It is not a weakly prime, because it can be changed into another prime (90611243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45305636 + 45305637.

It is an arithmetic number, because the mean of its divisors is an integer number (45305637).

Almost surely, 2^90611273 is an apocalyptic number.

It is an amenable number.

90611273 is a deficient number, since it is larger than the sum of its proper divisors (1).

90611273 is an equidigital number, since it uses as much as digits as its factorization.

90611273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 90611273 is about 9518.9953776646. The cubic root of 90611273 is about 449.1527647208.

The spelling of 90611273 in words is "ninety million, six hundred eleven thousand, two hundred seventy-three".