245304307 has 4 divisors (see below), whose sum is σ = 258215080. Its totient is φ = 232393536.

The previous prime is 245304247. The next prime is 245304313. The reversal of 245304307 is 703403542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245304307 - 2¹⁵ = 245271539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245304317) 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, 6455358 + ... + 6455395.

It is an arithmetic number, because the mean of its divisors is an integer number (64553770).

Almost surely, 2^245304307 is an apocalyptic number.

245304307 is a deficient number, since it is larger than the sum of its proper divisors (12910773).

245304307 is a wasteful number, since it uses less digits than its factorization.

245304307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12910772.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 245304307 is about 15662.1935564595. The cubic root of 245304307 is about 625.9914350987.

Adding to 245304307 its reverse (703403542), we get a palindrome (948707849).

The spelling of 245304307 in words is "two hundred forty-five million, three hundred four thousand, three hundred seven".