245652317 has 4 divisors (see below), whose sum is σ = 248761920. Its totient is φ = 242542716.

The previous prime is 245652299. The next prime is 245652343. The reversal of 245652317 is 713256542.

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 245652317 - 2²² = 241458013 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 (245652377) 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, 1554683 + ... + 1554840.

It is an arithmetic number, because the mean of its divisors is an integer number (62190480).

Almost surely, 2^245652317 is an apocalyptic number.

It is an amenable number.

245652317 is a deficient number, since it is larger than the sum of its proper divisors (3109603).

245652317 is an equidigital number, since it uses as much as digits as its factorization.

245652317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109602.

The product of its digits is 50400, while the sum is 35.

The square root of 245652317 is about 15673.2994930870. The cubic root of 245652317 is about 626.2873238286.

The spelling of 245652317 in words is "two hundred forty-five million, six hundred fifty-two thousand, three hundred seventeen".