63011279 has 2 divisors, whose sum is σ = 63011280. Its totient is φ = 63011278.

The previous prime is 63011261. The next prime is 63011309. The reversal of 63011279 is 97211036.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63011279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63011209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31505639 + 31505640.

It is an arithmetic number, because the mean of its divisors is an integer number (31505640).

Almost surely, 2^63011279 is an apocalyptic number.

63011279 is a deficient number, since it is larger than the sum of its proper divisors (1).

63011279 is an equidigital number, since it uses as much as digits as its factorization.

63011279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 63011279 is about 7937.9644116108. The cubic root of 63011279 is about 397.9294652913.

The spelling of 63011279 in words is "sixty-three million, eleven thousand, two hundred seventy-nine".