243425671 has 8 divisors (see below), whose sum is σ = 253871744. Its totient is φ = 233141760.

The previous prime is 243425657. The next prime is 243425717. The reversal of 243425671 is 176524342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243425671 - 2⁷ = 243425543 is a prime.

It is a super-3 number, since 3×243425671³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243422671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37470 + ... + 43483.

It is an arithmetic number, because the mean of its divisors is an integer number (31733968).

Almost surely, 2^243425671 is an apocalyptic number.

243425671 is a deficient number, since it is larger than the sum of its proper divisors (10446073).

243425671 is an equidigital number, since it uses as much as digits as its factorization.

243425671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81081.

The product of its digits is 40320, while the sum is 34.

The square root of 243425671 is about 15602.1046977643. The cubic root of 243425671 is about 624.3893094055.

The spelling of 243425671 in words is "two hundred forty-three million, four hundred twenty-five thousand, six hundred seventy-one".