63453539 has 2 divisors, whose sum is σ = 63453540. Its totient is φ = 63453538.

The previous prime is 63453493. The next prime is 63453547. The reversal of 63453539 is 93535436.

63453539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63453539 - 2⁸ = 63453283 is a prime.

It is a super-2 number, since 2×63453539² = 8052703223249042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63453569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31726769 + 31726770.

It is an arithmetic number, because the mean of its divisors is an integer number (31726770).

Almost surely, 2^63453539 is an apocalyptic number.

63453539 is a deficient number, since it is larger than the sum of its proper divisors (1).

63453539 is an equidigital number, since it uses as much as digits as its factorization.

63453539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 38.

The square root of 63453539 is about 7965.7729693985. The cubic root of 63453539 is about 398.8582838947.

The spelling of 63453539 in words is "sixty-three million, four hundred fifty-three thousand, five hundred thirty-nine".