245304321 has 8 divisors (see below), whose sum is σ = 327163200. Its totient is φ = 163490832.

The previous prime is 245304317. The next prime is 245304337. The reversal of 245304321 is 123403542.

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

It is not a de Polignac number, because 245304321 - 2² = 245304317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245304291 and 245304300.

It is not an unprimeable number, because it can be changed into a prime (245304721) 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, 4380 + ... + 22578.

It is an arithmetic number, because the mean of its divisors is an integer number (40895400).

Almost surely, 2^245304321 is an apocalyptic number.

It is an amenable number.

245304321 is a deficient number, since it is larger than the sum of its proper divisors (81858879).

245304321 is a wasteful number, since it uses less digits than its factorization.

245304321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22695.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 245304321 is about 15662.1940033956. The cubic root of 245304321 is about 625.9914470076.

Adding to 245304321 its reverse (123403542), we get a palindrome (368707863).

The spelling of 245304321 in words is "two hundred forty-five million, three hundred four thousand, three hundred twenty-one".