63117253 has 4 divisors (see below), whose sum is σ = 65293740. Its totient is φ = 60940768.

The previous prime is 63117239. The next prime is 63117269. The reversal of 63117253 is 35271136.

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 50027329 + 13089924 = 7073^2 + 3618^2 .

It is a cyclic number.

It is not a de Polignac number, because 63117253 - 2¹⁷ = 62986181 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 (63117203) 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, 1088200 + ... + 1088257.

It is an arithmetic number, because the mean of its divisors is an integer number (16323435).

Almost surely, 2^63117253 is an apocalyptic number.

It is an amenable number.

63117253 is a deficient number, since it is larger than the sum of its proper divisors (2176487).

63117253 is a wasteful number, since it uses less digits than its factorization.

63117253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176486.

The product of its digits is 3780, while the sum is 28.

The square root of 63117253 is about 7944.6367443704. The cubic root of 63117253 is about 398.1524230375.

Adding to 63117253 its reverse (35271136), we get a palindrome (98388389).

The spelling of 63117253 in words is "sixty-three million, one hundred seventeen thousand, two hundred fifty-three".