243141213525 has 192 divisors, whose sum is σ = 515538432000. Its totient is φ = 98430750720.

The previous prime is 243141213521. The next prime is 243141213529. The reversal of 243141213525 is 525312141342.

It is an interprime number because it is at equal distance from previous prime (243141213521) and next prime (243141213529).

It is not a de Polignac number, because 243141213525 - 2² = 243141213521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243141213521) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 25261864 + ... + 25271486.

It is an arithmetic number, because the mean of its divisors is an integer number (2685096000).

Almost surely, 2^243141213525 is an apocalyptic number.

243141213525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243141213525 is an abundant number, since it is smaller than the sum of its proper divisors (272397218475).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243141213525 is a wasteful number, since it uses less digits than its factorization.

243141213525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9828 (or 9823 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

Adding to 243141213525 its reverse (525312141342), we get a palindrome (768453354867).

The spelling of 243141213525 in words is "two hundred forty-three billion, one hundred forty-one million, two hundred thirteen thousand, five hundred twenty-five".