245652473 has 4 divisors (see below), whose sum is σ = 267984528. Its totient is φ = 223320420.

The previous prime is 245652469. The next prime is 245652479. The reversal of 245652473 is 374256542.

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 not a de Polignac number, because 245652473 - 2² = 245652469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245652479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11166011 + ... + 11166032.

It is an arithmetic number, because the mean of its divisors is an integer number (66996132).

Almost surely, 2^245652473 is an apocalyptic number.

It is an amenable number.

245652473 is a deficient number, since it is larger than the sum of its proper divisors (22332055).

245652473 is a wasteful number, since it uses less digits than its factorization.

245652473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22332054.

The product of its digits is 201600, while the sum is 38.

The square root of 245652473 is about 15673.3044697026. The cubic root of 245652473 is about 626.2874564019.

The spelling of 245652473 in words is "two hundred forty-five million, six hundred fifty-two thousand, four hundred seventy-three".