63572541 has 4 divisors (see below), whose sum is σ = 84763392. Its totient is φ = 42381692.

The previous prime is 63572513. The next prime is 63572567. The reversal of 63572541 is 14527536.

63572541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63572541 - 2¹³ = 63564349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63572141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10595421 + ... + 10595426.

It is an arithmetic number, because the mean of its divisors is an integer number (21190848).

Almost surely, 2^63572541 is an apocalyptic number.

It is an amenable number.

63572541 is a deficient number, since it is larger than the sum of its proper divisors (21190851).

63572541 is a wasteful number, since it uses less digits than its factorization.

63572541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21190850.

The product of its digits is 25200, while the sum is 33.

The square root of 63572541 is about 7973.2390532330. The cubic root of 63572541 is about 399.1074703751.

The spelling of 63572541 in words is "sixty-three million, five hundred seventy-two thousand, five hundred forty-one".