63541091 has 2 divisors, whose sum is σ = 63541092. Its totient is φ = 63541090.

The previous prime is 63541061. The next prime is 63541123. The reversal of 63541091 is 19014536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63541091 - 2¹⁴ = 63524707 is a prime.

It is not a weakly prime, because it can be changed into another prime (63541061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31770545 + 31770546.

It is an arithmetic number, because the mean of its divisors is an integer number (31770546).

Almost surely, 2^63541091 is an apocalyptic number.

63541091 is a deficient number, since it is larger than the sum of its proper divisors (1).

63541091 is an equidigital number, since it uses as much as digits as its factorization.

63541091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 63541091 is about 7971.2665869359. The cubic root of 63541091 is about 399.0416453078.

The spelling of 63541091 in words is "sixty-three million, five hundred forty-one thousand, ninety-one".