234278561 has 8 divisors (see below), whose sum is σ = 262484544. Its totient is φ = 207223920.

The previous prime is 234278543. The next prime is 234278573. The reversal of 234278561 is 165872432.

It is a happy number.

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 234278561 - 2²⁶ = 167169697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234278861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287405 + ... + 288218.

It is an arithmetic number, because the mean of its divisors is an integer number (32810568).

Almost surely, 2^234278561 is an apocalyptic number.

It is an amenable number.

234278561 is a deficient number, since it is larger than the sum of its proper divisors (28205983).

234278561 is a wasteful number, since it uses less digits than its factorization.

234278561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575671.

The product of its digits is 80640, while the sum is 38.

The square root of 234278561 is about 15306.1608837749. The cubic root of 234278561 is about 616.4684419941.

The spelling of 234278561 in words is "two hundred thirty-four million, two hundred seventy-eight thousand, five hundred sixty-one".