245716693 has 4 divisors (see below), whose sum is σ = 245887488. Its totient is φ = 245545900.

The previous prime is 245716687. The next prime is 245716727. The reversal of 245716693 is 396617542.

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 a de Polignac number, because none of the positive numbers 2^k-245716693 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 (245716673) 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, 83221 + ... + 86122.

It is an arithmetic number, because the mean of its divisors is an integer number (61471872).

Almost surely, 2^245716693 is an apocalyptic number.

It is an amenable number.

245716693 is a deficient number, since it is larger than the sum of its proper divisors (170795).

245716693 is a wasteful number, since it uses less digits than its factorization.

245716693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170794.

The product of its digits is 272160, while the sum is 43.

The square root of 245716693 is about 15675.3530422763. The cubic root of 245716693 is about 626.3420276364.

The spelling of 245716693 in words is "two hundred forty-five million, seven hundred sixteen thousand, six hundred ninety-three".