243351552425 has 12 divisors (see below), whose sum is σ = 307449434700. Its totient is φ = 191008009920.

The previous prime is 243351552407. The next prime is 243351552481. The reversal of 243351552425 is 524255153342.

It can be written as a sum of positive squares in 6 ways, for example, as 28186380544 + 215165171881 = 167888^2 + 463859^2 .

It is not a de Polignac number, because 243351552425 - 2²⁴ = 243334775209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91829450 + ... + 91832099.

It is an arithmetic number, because the mean of its divisors is an integer number (25620786225).

Almost surely, 2^243351552425 is an apocalyptic number.

243351552425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243351552425 is a deficient number, since it is larger than the sum of its proper divisors (64097882275).

243351552425 is a wasteful number, since it uses less digits than its factorization.

243351552425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183661612 (or 183661607 counting only the distinct ones).

The product of its digits is 720000, while the sum is 41.

The spelling of 243351552425 in words is "two hundred forty-three billion, three hundred fifty-one million, five hundred fifty-two thousand, four hundred twenty-five".