319420245 has 16 divisors (see below), whose sum is σ = 512369280. Its totient is φ = 169925184.

The previous prime is 319420243. The next prime is 319420261. The reversal of 319420245 is 542024913.

It is not a de Polignac number, because 319420245 - 2¹ = 319420243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319420243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20865 + ... + 32774.

It is an arithmetic number, because the mean of its divisors is an integer number (32023080).

Almost surely, 2^319420245 is an apocalyptic number.

It is an amenable number.

319420245 is a deficient number, since it is larger than the sum of its proper divisors (192949035).

319420245 is a wasteful number, since it uses less digits than its factorization.

319420245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54044.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 319420245 is about 17872.3318288353. The cubic root of 319420245 is about 683.5770593347.

The spelling of 319420245 in words is "three hundred nineteen million, four hundred twenty thousand, two hundred forty-five".