245326532173 has 4 divisors (see below), whose sum is σ = 245328199200. Its totient is φ = 245324865148.

The previous prime is 245326532167. The next prime is 245326532183. The reversal of 245326532173 is 371235623542.

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-245326532173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245326532183) 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, 588823 + ... + 915076.

It is an arithmetic number, because the mean of its divisors is an integer number (61332049800).

Almost surely, 2^245326532173 is an apocalyptic number.

It is an amenable number.

245326532173 is a deficient number, since it is larger than the sum of its proper divisors (1667027).

245326532173 is a wasteful number, since it uses less digits than its factorization.

245326532173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667026.

The product of its digits is 907200, while the sum is 43.

The spelling of 245326532173 in words is "two hundred forty-five billion, three hundred twenty-six million, five hundred thirty-two thousand, one hundred seventy-three".