245343911 has 2 divisors, whose sum is σ = 245343912. Its totient is φ = 245343910.

The previous prime is 245343907. The next prime is 245343919. The reversal of 245343911 is 119343542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245343911 - 2² = 245343907 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245343919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671955 + 122671956.

It is an arithmetic number, because the mean of its divisors is an integer number (122671956).

Almost surely, 2^245343911 is an apocalyptic number.

245343911 is a deficient number, since it is larger than the sum of its proper divisors (1).

245343911 is an equidigital number, since it uses as much as digits as its factorization.

245343911 is an evil number, because the sum of its binary digits is even.

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

The square root of 245343911 is about 15663.4578238651. The cubic root of 245343911 is about 626.0251217347.

It can be divided in two parts, 2453 and 43911, that added together give a palindrome (46364).

The spelling of 245343911 in words is "two hundred forty-five million, three hundred forty-three thousand, nine hundred eleven".