63091297 has 2 divisors, whose sum is σ = 63091298. Its totient is φ = 63091296.

The previous prime is 63091291. The next prime is 63091307. The reversal of 63091297 is 79219036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 12453841 = 7116^2 + 3529^2 .

It is a cyclic number.

It is not a de Polignac number, because 63091297 - 2¹⁵ = 63058529 is a prime.

It is not a weakly prime, because it can be changed into another prime (63091291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31545648 + 31545649.

It is an arithmetic number, because the mean of its divisors is an integer number (31545649).

Almost surely, 2^63091297 is an apocalyptic number.

It is an amenable number.

63091297 is a deficient number, since it is larger than the sum of its proper divisors (1).

63091297 is an equidigital number, since it uses as much as digits as its factorization.

63091297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 63091297 is about 7943.0030215278. The cubic root of 63091297 is about 398.0978375333.

The spelling of 63091297 in words is "sixty-three million, ninety-one thousand, two hundred ninety-seven".