63641141 has 4 divisors (see below), whose sum is σ = 64356300. Its totient is φ = 62925984.

The previous prime is 63641131. The next prime is 63641153. The reversal of 63641141 is 14114636.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5424241 + 58216900 = 2329^2 + 7630^2 .

It is a cyclic number.

It is not a de Polignac number, because 63641141 - 2²² = 59446837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63641141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63641131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357446 + ... + 357623.

It is an arithmetic number, because the mean of its divisors is an integer number (16089075).

Almost surely, 2^63641141 is an apocalyptic number.

It is an amenable number.

63641141 is a deficient number, since it is larger than the sum of its proper divisors (715159).

63641141 is an equidigital number, since it uses as much as digits as its factorization.

63641141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715158.

The product of its digits is 1728, while the sum is 26.

The square root of 63641141 is about 7977.5397836676. The cubic root of 63641141 is about 399.2509753641.

Adding to 63641141 its reverse (14114636), we get a palindrome (77755777).

The spelling of 63641141 in words is "sixty-three million, six hundred forty-one thousand, one hundred forty-one".