63676253 has 4 divisors (see below), whose sum is σ = 64720188. Its totient is φ = 62632320.

The previous prime is 63676243. The next prime is 63676273. The reversal of 63676253 is 35267636.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4108729 + 59567524 = 2027^2 + 7718^2 .

It is a cyclic number.

It is not a de Polignac number, because 63676253 - 2¹⁰ = 63675229 is a prime.

It is a super-2 number, since 2×63676253² = 8109330392240018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63676243) 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, 521876 + ... + 521997.

It is an arithmetic number, because the mean of its divisors is an integer number (16180047).

Almost surely, 2^63676253 is an apocalyptic number.

It is an amenable number.

63676253 is a deficient number, since it is larger than the sum of its proper divisors (1043935).

63676253 is a wasteful number, since it uses less digits than its factorization.

63676253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043934.

The product of its digits is 136080, while the sum is 38.

The square root of 63676253 is about 7979.7401586768. The cubic root of 63676253 is about 399.3243865921.

The spelling of 63676253 in words is "sixty-three million, six hundred seventy-six thousand, two hundred fifty-three".