245717223 has 8 divisors (see below), whose sum is σ = 335613936. Its totient is φ = 159816000.

The previous prime is 245717221. The next prime is 245717237. The reversal of 245717223 is 322717542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245717223 - 2¹ = 245717221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245717221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998728 + ... + 998973.

It is an arithmetic number, because the mean of its divisors is an integer number (41951742).

Almost surely, 2^245717223 is an apocalyptic number.

245717223 is a deficient number, since it is larger than the sum of its proper divisors (89896713).

245717223 is a wasteful number, since it uses less digits than its factorization.

245717223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997745.

The product of its digits is 23520, while the sum is 33.

The square root of 245717223 is about 15675.3699477875. The cubic root of 245717223 is about 626.3424779667.

The spelling of 245717223 in words is "two hundred forty-five million, seven hundred seventeen thousand, two hundred twenty-three".