63251242 has 16 divisors (see below), whose sum is σ = 99171072. Its totient is φ = 30198960.

The previous prime is 63251239. The next prime is 63251257. The reversal of 63251242 is 24215236.

It is a super-2 number, since 2×63251242² = 8001439229085128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50767 + ... + 51997.

It is an arithmetic number, because the mean of its divisors is an integer number (6198192).

Almost surely, 2^63251242 is an apocalyptic number.

63251242 is a deficient number, since it is larger than the sum of its proper divisors (35919830).

63251242 is a wasteful number, since it uses less digits than its factorization.

63251242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its digits is 2880, while the sum is 25.

The square root of 63251242 is about 7953.0649437811. The cubic root of 63251242 is about 398.4339643321.

Adding to 63251242 its reverse (24215236), we get a palindrome (87466478).

The spelling of 63251242 in words is "sixty-three million, two hundred fifty-one thousand, two hundred forty-two".