243343613425 has 24 divisors (see below), whose sum is σ = 329732868960. Its totient is φ = 176678611200.

The previous prime is 243343613389. The next prime is 243343613431. The reversal of 243343613425 is 524316343342.

It is not a de Polignac number, because 243343613425 - 2⁷ = 243343613297 is a prime.

It is a super-2 number, since 2×243343613425² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583035 + ... + 909184.

It is an arithmetic number, because the mean of its divisors is an integer number (13738869540).

Almost surely, 2^243343613425 is an apocalyptic number.

243343613425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243343613425 is a deficient number, since it is larger than the sum of its proper divisors (86389255535).

243343613425 is a wasteful number, since it uses less digits than its factorization.

243343613425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492833 (or 1492828 counting only the distinct ones).

The product of its digits is 622080, while the sum is 40.

Adding to 243343613425 its reverse (524316343342), we get a palindrome (767659956767).

The spelling of 243343613425 in words is "two hundred forty-three billion, three hundred forty-three million, six hundred thirteen thousand, four hundred twenty-five".