63431241 has 4 divisors (see below), whose sum is σ = 84574992. Its totient is φ = 42287492.

The previous prime is 63431213. The next prime is 63431273. The reversal of 63431241 is 14213436.

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 63431241 - 2¹⁷ = 63300169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63431741) 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, 10571871 + ... + 10571876.

It is an arithmetic number, because the mean of its divisors is an integer number (21143748).

Almost surely, 2^63431241 is an apocalyptic number.

It is an amenable number.

63431241 is a deficient number, since it is larger than the sum of its proper divisors (21143751).

63431241 is a wasteful number, since it uses less digits than its factorization.

63431241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21143750.

The product of its digits is 1728, while the sum is 24.

The square root of 63431241 is about 7964.3732333436. The cubic root of 63431241 is about 398.8115579272.

Adding to 63431241 its reverse (14213436), we get a palindrome (77644677).

The spelling of 63431241 in words is "sixty-three million, four hundred thirty-one thousand, two hundred forty-one".