63827131 has 2 divisors, whose sum is σ = 63827132. Its totient is φ = 63827130.

The previous prime is 63827123. The next prime is 63827149. The reversal of 63827131 is 13172836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63827131 - 2³ = 63827123 is a prime.

It is a super-2 number, since 2×63827131² = 8147805303382322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63827093 and 63827102.

It is not a weakly prime, because it can be changed into another prime (63827161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31913565 + 31913566.

It is an arithmetic number, because the mean of its divisors is an integer number (31913566).

Almost surely, 2^63827131 is an apocalyptic number.

63827131 is a deficient number, since it is larger than the sum of its proper divisors (1).

63827131 is an equidigital number, since it uses as much as digits as its factorization.

63827131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 63827131 is about 7989.1883818070. The cubic root of 63827131 is about 399.6395315037.

Adding to 63827131 its reverse (13172836), we get a palindrome (76999967).

The spelling of 63827131 in words is "sixty-three million, eight hundred twenty-seven thousand, one hundred thirty-one".