245443927 has 2 divisors, whose sum is σ = 245443928. Its totient is φ = 245443926.

The previous prime is 245443897. The next prime is 245443949. The reversal of 245443927 is 729344542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245443927 - 2¹¹ = 245441879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245443927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245443987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122721963 + 122721964.

It is an arithmetic number, because the mean of its divisors is an integer number (122721964).

Almost surely, 2^245443927 is an apocalyptic number.

245443927 is a deficient number, since it is larger than the sum of its proper divisors (1).

245443927 is an equidigital number, since it uses as much as digits as its factorization.

245443927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 245443927 is about 15666.6501524736. The cubic root of 245443927 is about 626.1101778805.

The spelling of 245443927 in words is "two hundred forty-five million, four hundred forty-three thousand, nine hundred twenty-seven".