63143407 has 4 divisors (see below), whose sum is σ = 63383760. Its totient is φ = 62903056.

The previous prime is 63143387. The next prime is 63143417. The reversal of 63143407 is 70434136.

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

It is a cyclic number.

It is not a de Polignac number, because 63143407 - 2¹⁵ = 63110639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63143417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119782 + ... + 120307.

It is an arithmetic number, because the mean of its divisors is an integer number (15845940).

Almost surely, 2^63143407 is an apocalyptic number.

63143407 is a deficient number, since it is larger than the sum of its proper divisors (240353).

63143407 is a wasteful number, since it uses less digits than its factorization.

63143407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240352.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 63143407 is about 7946.2825899914. The cubic root of 63143407 is about 398.2074098015.

It can be divided in two parts, 6 and 3143407, that added together give a palindrome (3143413).

The spelling of 63143407 in words is "sixty-three million, one hundred forty-three thousand, four hundred seven".