202253117 has 4 divisors (see below), whose sum is σ = 220639776. Its totient is φ = 183866460.

The previous prime is 202253113. The next prime is 202253179. The reversal of 202253117 is 711352202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202253117 - 2² = 202253113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202253092 and 202253101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202253111) 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 in 3 ways as a sum of consecutive naturals, for example, 9193313 + ... + 9193334.

It is an arithmetic number, because the mean of its divisors is an integer number (55159944).

Almost surely, 2^202253117 is an apocalyptic number.

It is an amenable number.

202253117 is a deficient number, since it is larger than the sum of its proper divisors (18386659).

202253117 is a wasteful number, since it uses less digits than its factorization.

202253117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18386658.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 202253117 is about 14221.5722407897. The cubic root of 202253117 is about 586.9914036278.

The spelling of 202253117 in words is "two hundred two million, two hundred fifty-three thousand, one hundred seventeen".