245025219 has 4 divisors (see below), whose sum is σ = 326700296. Its totient is φ = 163350144.

The previous prime is 245025217. The next prime is 245025247. The reversal of 245025219 is 912520542.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245025219 - 2¹ = 245025217 is a prime.

It is a super-2 number, since 2×245025219² = 120074715891995922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245025217) 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, 40837534 + ... + 40837539.

It is an arithmetic number, because the mean of its divisors is an integer number (81675074).

Almost surely, 2^245025219 is an apocalyptic number.

245025219 is a deficient number, since it is larger than the sum of its proper divisors (81675077).

245025219 is an equidigital number, since it uses as much as digits as its factorization.

245025219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81675076.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 245025219 is about 15653.2814131734. The cubic root of 245025219 is about 625.7539436912.

The spelling of 245025219 in words is "two hundred forty-five million, twenty-five thousand, two hundred nineteen".