243214442525 has 12 divisors (see below), whose sum is σ = 302162571072. Its totient is φ = 194199513840.

The previous prime is 243214442503. The next prime is 243214442557. The reversal of 243214442525 is 525244412342.

243214442525 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243214442525 - 2⁶ = 243214442461 is a prime.

It is a Duffinian number.

243214442525 is strictly pandigital in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9287669 + ... + 9313818.

It is an arithmetic number, because the mean of its divisors is an integer number (25180214256).

Almost surely, 2^243214442525 is an apocalyptic number.

243214442525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243214442525 is a deficient number, since it is larger than the sum of its proper divisors (58948128547).

243214442525 is a wasteful number, since it uses less digits than its factorization.

243214442525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18602020 (or 18602015 counting only the distinct ones).

The product of its digits is 307200, while the sum is 38.

Adding to 243214442525 its reverse (525244412342), we get a palindrome (768458854867).

The spelling of 243214442525 in words is "two hundred forty-three billion, two hundred fourteen million, four hundred forty-two thousand, five hundred twenty-five".