63979351 has 2 divisors, whose sum is σ = 63979352. Its totient is φ = 63979350.

The previous prime is 63979339. The next prime is 63979367. The reversal of 63979351 is 15397936.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63979351 - 2⁹ = 63978839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63979298 and 63979307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63979051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31989675 + 31989676.

It is an arithmetic number, because the mean of its divisors is an integer number (31989676).

Almost surely, 2^63979351 is an apocalyptic number.

63979351 is a deficient number, since it is larger than the sum of its proper divisors (1).

63979351 is an equidigital number, since it uses as much as digits as its factorization.

63979351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 43.

The square root of 63979351 is about 7998.7093333862. The cubic root of 63979351 is about 399.9569766226.

It can be divided in two parts, 6397935 and 1, that added together give a palindrome (6397936).

The spelling of 63979351 in words is "sixty-three million, nine hundred seventy-nine thousand, three hundred fifty-one".