63253739 has 4 divisors (see below), whose sum is σ = 63381000. Its totient is φ = 63126480.

The previous prime is 63253711. The next prime is 63253763. The reversal of 63253739 is 93735236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63253739 - 2²⁰ = 62205163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63253709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62882 + ... + 63879.

It is an arithmetic number, because the mean of its divisors is an integer number (15845250).

Almost surely, 2^63253739 is an apocalyptic number.

63253739 is a deficient number, since it is larger than the sum of its proper divisors (127261).

63253739 is a wasteful number, since it uses less digits than its factorization.

63253739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127260.

The product of its digits is 102060, while the sum is 38.

The square root of 63253739 is about 7953.2219257355. The cubic root of 63253739 is about 398.4392073201.

The spelling of 63253739 in words is "sixty-three million, two hundred fifty-three thousand, seven hundred thirty-nine".