243106536425 has 24 divisors (see below), whose sum is σ = 303561820800. Its totient is φ = 193127180480.

The previous prime is 243106536419. The next prime is 243106536427. The reversal of 243106536425 is 524635601342.

It is not a de Polignac number, because 243106536425 - 2¹⁶ = 243106470889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243106536427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3179747 + ... + 3255303.

It is an arithmetic number, because the mean of its divisors is an integer number (12648409200).

Almost surely, 2^243106536425 is an apocalyptic number.

243106536425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243106536425 is a deficient number, since it is larger than the sum of its proper divisors (60455284375).

243106536425 is a wasteful number, since it uses less digits than its factorization.

243106536425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76465 (or 76460 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 243106536425 in words is "two hundred forty-three billion, one hundred six million, five hundred thirty-six thousand, four hundred twenty-five".