243152550325 has 6 divisors (see below), whose sum is σ = 301509162434. Its totient is φ = 194522040240.

The previous prime is 243152550323. The next prime is 243152550341. The reversal of 243152550325 is 523055251342.

It can be written as a sum of positive squares in 3 ways, for example, as 393347889 + 242759202436 = 19833^2 + 492706^2 .

It is not a de Polignac number, because 243152550325 - 2¹ = 243152550323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243152550323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4863050982 + ... + 4863051031.

Almost surely, 2^243152550325 is an apocalyptic number.

243152550325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243152550325 is a deficient number, since it is larger than the sum of its proper divisors (58356612109).

243152550325 is an equidigital number, since it uses as much as digits as its factorization.

243152550325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726102023 (or 9726102018 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 243152550325 in words is "two hundred forty-three billion, one hundred fifty-two million, five hundred fifty thousand, three hundred twenty-five".