245204197 has 8 divisors (see below), whose sum is σ = 280425600. Its totient is φ = 210030864.

The previous prime is 245204191. The next prime is 245204207. The reversal of 245204197 is 791402542.

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

It is a cyclic number.

It is not a de Polignac number, because 245204197 - 2¹⁵ = 245171429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245204191) 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, 322 + ... + 22147.

It is an arithmetic number, because the mean of its divisors is an integer number (35053200).

Almost surely, 2^245204197 is an apocalyptic number.

It is an amenable number.

245204197 is a deficient number, since it is larger than the sum of its proper divisors (35221403).

245204197 is a wasteful number, since it uses less digits than its factorization.

245204197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24035.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 245204197 is about 15658.9973178362. The cubic root of 245204197 is about 625.9062666939.

The spelling of 245204197 in words is "two hundred forty-five million, two hundred four thousand, one hundred ninety-seven".