245641343 has 2 divisors, whose sum is σ = 245641344. Its totient is φ = 245641342.

The previous prime is 245641309. The next prime is 245641349. The reversal of 245641343 is 343146542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245641343 - 2⁸ = 245641087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245641349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122820671 + 122820672.

It is an arithmetic number, because the mean of its divisors is an integer number (122820672).

Almost surely, 2^245641343 is an apocalyptic number.

245641343 is a deficient number, since it is larger than the sum of its proper divisors (1).

245641343 is an equidigital number, since it uses as much as digits as its factorization.

245641343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 245641343 is about 15672.9494033510. The cubic root of 245641343 is about 626.2779976673.

Adding to 245641343 its reverse (343146542), we get a palindrome (588787885).

The spelling of 245641343 in words is "two hundred forty-five million, six hundred forty-one thousand, three hundred forty-three".