63873253 has 8 divisors (see below), whose sum is σ = 65111040. Its totient is φ = 62647200.

The previous prime is 63873241. The next prime is 63873259. The reversal of 63873253 is 35237836.

63873253 is a nontrivial binomial coefficient, being equal to C(11303, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63873253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63873259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8478 + ... + 14128.

It is an arithmetic number, because the mean of its divisors is an integer number (8138880).

Almost surely, 2^63873253 is an apocalyptic number.

63873253 is the 11302-nd triangular number.

63873253 is the 3768-th centered nonagonal number.

It is an amenable number.

63873253 is a deficient number, since it is larger than the sum of its proper divisors (1237787).

63873253 is a wasteful number, since it uses less digits than its factorization.

63873253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867.

The product of its digits is 90720, while the sum is 37.

The square root of 63873253 is about 7992.0743865407. The cubic root of 63873253 is about 399.7357692437.

The spelling of 63873253 in words is "sixty-three million, eight hundred seventy-three thousand, two hundred fifty-three".