63571042 has 4 divisors (see below), whose sum is σ = 95356566. Its totient is φ = 31785520.

The previous prime is 63571037. The next prime is 63571043. The reversal of 63571042 is 24017536.

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

It can be written as a sum of positive squares in only one way, i.e., 33419961 + 30151081 = 5781^2 + 5491^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63571042.

It is not an unprimeable number, because it can be changed into a prime (63571043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15892759 + ... + 15892762.

Almost surely, 2^63571042 is an apocalyptic number.

63571042 is a deficient number, since it is larger than the sum of its proper divisors (31785524).

63571042 is a wasteful number, since it uses less digits than its factorization.

63571042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31785523.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 63571042 is about 7973.1450507312. The cubic root of 63571042 is about 399.1043334505.

Adding to 63571042 its reverse (24017536), we get a palindrome (87588578).

The spelling of 63571042 in words is "sixty-three million, five hundred seventy-one thousand, forty-two".