63506141 has 4 divisors (see below), whose sum is σ = 64983072. Its totient is φ = 62029212.

The previous prime is 63506129. The next prime is 63506159. The reversal of 63506141 is 14160536.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63506141 - 2⁶ = 63506077 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 63506141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63506041) 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, 738401 + ... + 738486.

It is an arithmetic number, because the mean of its divisors is an integer number (16245768).

Almost surely, 2^63506141 is an apocalyptic number.

It is an amenable number.

63506141 is a deficient number, since it is larger than the sum of its proper divisors (1476931).

63506141 is a wasteful number, since it uses less digits than its factorization.

63506141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476930.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 63506141 is about 7969.0740365490. The cubic root of 63506141 is about 398.9684692307.

Adding to 63506141 its reverse (14160536), we get a palindrome (77666677).

The spelling of 63506141 in words is "sixty-three million, five hundred six thousand, one hundred forty-one".