245533943 has 2 divisors, whose sum is σ = 245533944. Its totient is φ = 245533942.

The previous prime is 245533891. The next prime is 245534011. The reversal of 245533943 is 349335542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245533943 - 2¹² = 245529847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245533897 and 245533906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245533243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122766971 + 122766972.

It is an arithmetic number, because the mean of its divisors is an integer number (122766972).

Almost surely, 2^245533943 is an apocalyptic number.

245533943 is a deficient number, since it is larger than the sum of its proper divisors (1).

245533943 is an equidigital number, since it uses as much as digits as its factorization.

245533943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 38.

The square root of 245533943 is about 15669.5227432108. The cubic root of 245533943 is about 626.1867100182.

The spelling of 245533943 in words is "two hundred forty-five million, five hundred thirty-three thousand, nine hundred forty-three".