245315417 has 8 divisors (see below), whose sum is σ = 248371200. Its totient is φ = 242266464.

The previous prime is 245315407. The next prime is 245315453. The reversal of 245315417 is 714513542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245315417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245315407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138584 + ... + 140342.

It is an arithmetic number, because the mean of its divisors is an integer number (31046400).

Almost surely, 2^245315417 is an apocalyptic number.

It is an amenable number.

245315417 is a deficient number, since it is larger than the sum of its proper divisors (3055783).

245315417 is a wasteful number, since it uses less digits than its factorization.

245315417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its digits is 16800, while the sum is 32.

The square root of 245315417 is about 15662.5482281779. The cubic root of 245315417 is about 626.0008854829. Note that the first 3 decimals are identical.

Adding to 245315417 its reverse (714513542), we get a palindrome (959828959).

The spelling of 245315417 in words is "two hundred forty-five million, three hundred fifteen thousand, four hundred seventeen".