243034130425 has 12 divisors (see below), whose sum is σ = 301432588156. Its totient is φ = 194381971200.

The previous prime is 243034130411. The next prime is 243034130441. The reversal of 243034130425 is 524031430342.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 25087075321 + 217947055104 = 158389^2 + 466848^2 .

It is not a de Polignac number, because 243034130425 - 2³⁵ = 208674392057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023756 + ... + 1238605.

Almost surely, 2^243034130425 is an apocalyptic number.

243034130425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243034130425 is a deficient number, since it is larger than the sum of its proper divisors (58398457731).

243034130425 is a wasteful number, since it uses less digits than its factorization.

243034130425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266668 (or 2266663 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 243034130425 its reverse (524031430342), we get a palindrome (767065560767).

The spelling of 243034130425 in words is "two hundred forty-three billion, thirty-four million, one hundred thirty thousand, four hundred twenty-five".