63451039 has 2 divisors, whose sum is σ = 63451040. Its totient is φ = 63451038.

The previous prime is 63451001. The next prime is 63451097. The reversal of 63451039 is 93015436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63451039 - 2¹¹ = 63448991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63451039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63455039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31725519 + 31725520.

It is an arithmetic number, because the mean of its divisors is an integer number (31725520).

Almost surely, 2^63451039 is an apocalyptic number.

63451039 is a deficient number, since it is larger than the sum of its proper divisors (1).

63451039 is an equidigital number, since it uses as much as digits as its factorization.

63451039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 63451039 is about 7965.6160464838. The cubic root of 63451039 is about 398.8530456326.

The spelling of 63451039 in words is "sixty-three million, four hundred fifty-one thousand, thirty-nine".