242153615325 has 24 divisors (see below), whose sum is σ = 400392223456. Its totient is φ = 129138408000.

The previous prime is 242153615303. The next prime is 242153615351. The reversal of 242153615325 is 523516351242.

It is not a de Polignac number, because 242153615325 - 2¹³ = 242153607133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882930 + ... + 1124220.

Almost surely, 2^242153615325 is an apocalyptic number.

242153615325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242153615325 is a deficient number, since it is larger than the sum of its proper divisors (158238608131).

242153615325 is a wasteful number, since it uses less digits than its factorization.

242153615325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254685 (or 254680 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

Adding to 242153615325 its reverse (523516351242), we get a palindrome (765669966567).

The spelling of 242153615325 in words is "two hundred forty-two billion, one hundred fifty-three million, six hundred fifteen thousand, three hundred twenty-five".