245002312573 has 4 divisors (see below), whose sum is σ = 247292053920. Its totient is φ = 242712571228.

The previous prime is 245002312561. The next prime is 245002312613. The reversal of 245002312573 is 375213200542.

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-245002312573 is a prime.

It is a super-2 number, since 2×245002312573² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245002312523) 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, 1144870513 + ... + 1144870726.

It is an arithmetic number, because the mean of its divisors is an integer number (61823013480).

Almost surely, 2^245002312573 is an apocalyptic number.

It is an amenable number.

245002312573 is a deficient number, since it is larger than the sum of its proper divisors (2289741347).

245002312573 is a wasteful number, since it uses less digits than its factorization.

245002312573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289741346.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 245002312573 in words is "two hundred forty-five billion, two million, three hundred twelve thousand, five hundred seventy-three".