63012091 has 2 divisors, whose sum is σ = 63012092. Its totient is φ = 63012090.

The previous prime is 63012049. The next prime is 63012097. The reversal of 63012091 is 19021036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63012091 - 2⁹ = 63011579 is a prime.

It is a super-2 number, since 2×63012091² = 7941047224384562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63012097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31506045 + 31506046.

It is an arithmetic number, because the mean of its divisors is an integer number (31506046).

Almost surely, 2^63012091 is an apocalyptic number.

63012091 is a deficient number, since it is larger than the sum of its proper divisors (1).

63012091 is an equidigital number, since it uses as much as digits as its factorization.

63012091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 63012091 is about 7938.0155580598. The cubic root of 63012091 is about 397.9311746009.

It can be divided in two parts, 630 and 12091, that added together give a palindrome (12721).

The spelling of 63012091 in words is "sixty-three million, twelve thousand, ninety-one".