63625143 has 16 divisors (see below), whose sum is σ = 86441600. Its totient is φ = 41618016.

The previous prime is 63625141. The next prime is 63625147. The reversal of 63625143 is 34152636.

It is not a de Polignac number, because 63625143 - 2¹ = 63625141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63625143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63625141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69696 + ... + 70602.

It is an arithmetic number, because the mean of its divisors is an integer number (5402600).

Almost surely, 2^63625143 is an apocalyptic number.

63625143 is a deficient number, since it is larger than the sum of its proper divisors (22816457).

63625143 is a wasteful number, since it uses less digits than its factorization.

63625143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its digits is 12960, while the sum is 30.

The square root of 63625143 is about 7976.5370305666. The cubic root of 63625143 is about 399.2175182204.

Adding to 63625143 its reverse (34152636), we get a palindrome (97777779).

The spelling of 63625143 in words is "sixty-three million, six hundred twenty-five thousand, one hundred forty-three".