243125471 has 2 divisors, whose sum is σ = 243125472. Its totient is φ = 243125470.

The previous prime is 243125459. The next prime is 243125563. The reversal of 243125471 is 174521342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243125471 is a prime.

It is a super-3 number, since 3×243125471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243122471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121562735 + 121562736.

It is an arithmetic number, because the mean of its divisors is an integer number (121562736).

Almost surely, 2^243125471 is an apocalyptic number.

243125471 is a deficient number, since it is larger than the sum of its proper divisors (1).

243125471 is an equidigital number, since it uses as much as digits as its factorization.

243125471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 243125471 is about 15592.4812329533. The cubic root of 243125471 is about 624.1325318087.

The spelling of 243125471 in words is "two hundred forty-three million, one hundred twenty-five thousand, four hundred seventy-one".