90601193 has 2 divisors, whose sum is σ = 90601194. Its totient is φ = 90601192.

The previous prime is 90601171. The next prime is 90601207. The reversal of 90601193 is 39110609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86806489 + 3794704 = 9317^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 90601193 - 2¹⁸ = 90339049 is a prime.

It is not a weakly prime, because it can be changed into another prime (90601153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45300596 + 45300597.

It is an arithmetic number, because the mean of its divisors is an integer number (45300597).

Almost surely, 2^90601193 is an apocalyptic number.

It is an amenable number.

90601193 is a deficient number, since it is larger than the sum of its proper divisors (1).

90601193 is an equidigital number, since it uses as much as digits as its factorization.

90601193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 90601193 is about 9518.4658953006. The cubic root of 90601193 is about 449.1361088544.

The spelling of 90601193 in words is "ninety million, six hundred one thousand, one hundred ninety-three".