243130066325725 has 48 divisors (see below), whose sum is σ = 310385071584000. Its totient is φ = 188843408582400.

The previous prime is 243130066325621. The next prime is 243130066325743. The reversal of 243130066325725 is 527523660031342.

It is not a de Polignac number, because 243130066325725 - 2¹³ = 243130066317533 is a prime.

It is a super-2 number, since 2×243130066325725² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455008011 + ... + 455542039.

It is an arithmetic number, because the mean of its divisors is an integer number (6466355658000).

Almost surely, 2^{243130066325725} is an apocalyptic number.

243130066325725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243130066325725 is a deficient number, since it is larger than the sum of its proper divisors (67255005258275).

243130066325725 is a wasteful number, since it uses less digits than its factorization.

243130066325725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537958 (or 537953 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 243130066325725 in words is "two hundred forty-three trillion, one hundred thirty billion, sixty-six million, three hundred twenty-five thousand, seven hundred twenty-five".