63750131 has 2 divisors, whose sum is σ = 63750132. Its totient is φ = 63750130.

The previous prime is 63750107. The next prime is 63750133. The reversal of 63750131 is 13105736.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63750131 is a prime.

It is a super-2 number, since 2×63750131² = 8128158405034322, which contains 22 as substring.

Together with 63750133, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63750131.

It is not a weakly prime, because it can be changed into another prime (63750133) 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 as a sum of consecutive naturals, namely, 31875065 + 31875066.

It is an arithmetic number, because the mean of its divisors is an integer number (31875066).

Almost surely, 2^63750131 is an apocalyptic number.

63750131 is a deficient number, since it is larger than the sum of its proper divisors (1).

63750131 is an equidigital number, since it uses as much as digits as its factorization.

63750131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 63750131 is about 7984.3679148697. The cubic root of 63750131 is about 399.4787606522.

Adding to 63750131 its reverse (13105736), we get a palindrome (76855867).

The spelling of 63750131 in words is "sixty-three million, seven hundred fifty thousand, one hundred thirty-one".