245305253315 has 4 divisors (see below), whose sum is σ = 294366303984. Its totient is φ = 196244202648.

The previous prime is 245305253309. The next prime is 245305253353. The reversal of 245305253315 is 513352503542.

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 245305253315 - 2¹⁶ = 245305187779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24530525327 + ... + 24530525336.

It is an arithmetic number, because the mean of its divisors is an integer number (73591575996).

Almost surely, 2^245305253315 is an apocalyptic number.

245305253315 is a deficient number, since it is larger than the sum of its proper divisors (49061050669).

245305253315 is an equidigital number, since it uses as much as digits as its factorization.

245305253315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49061050668.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 245305253315 its reverse (513352503542), we get a palindrome (758657756857).

The spelling of 245305253315 in words is "two hundred forty-five billion, three hundred five million, two hundred fifty-three thousand, three hundred fifteen".