63091051 has 2 divisors, whose sum is σ = 63091052. Its totient is φ = 63091050.

The previous prime is 63091043. The next prime is 63091057. The reversal of 63091051 is 15019036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63091051 - 2³ = 63091043 is a prime.

It is not a weakly prime, because it can be changed into another prime (63091057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31545525 + 31545526.

It is an arithmetic number, because the mean of its divisors is an integer number (31545526).

Almost surely, 2^63091051 is an apocalyptic number.

63091051 is a deficient number, since it is larger than the sum of its proper divisors (1).

63091051 is an equidigital number, since it uses as much as digits as its factorization.

63091051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 63091051 is about 7942.9875361856. The cubic root of 63091051 is about 398.0973201234.

The spelling of 63091051 in words is "sixty-three million, ninety-one thousand, fifty-one".