245134319 has 2 divisors, whose sum is σ = 245134320. Its totient is φ = 245134318.

The previous prime is 245134313. The next prime is 245134327. The reversal of 245134319 is 913431542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245134319 is a prime.

It is a super-2 number, since 2×245134319² = 120181668703187522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245134313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122567159 + 122567160.

It is an arithmetic number, because the mean of its divisors is an integer number (122567160).

Almost surely, 2^245134319 is an apocalyptic number.

245134319 is a deficient number, since it is larger than the sum of its proper divisors (1).

245134319 is an equidigital number, since it uses as much as digits as its factorization.

245134319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 245134319 is about 15656.7659176472. The cubic root of 245134319 is about 625.8468043709.

The spelling of 245134319 in words is "two hundred forty-five million, one hundred thirty-four thousand, three hundred nineteen".