243351461 has 8 divisors (see below), whose sum is σ = 248638464. Its totient is φ = 238090320.

The previous prime is 243351439. The next prime is 243351467. The reversal of 243351461 is 164153342.

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 243351461 - 2⁶ = 243351397 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 (243351467) 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, 13196 + ... + 25706.

It is an arithmetic number, because the mean of its divisors is an integer number (31079808).

Almost surely, 2^243351461 is an apocalyptic number.

It is an amenable number.

243351461 is a deficient number, since it is larger than the sum of its proper divisors (5287003).

243351461 is a wasteful number, since it uses less digits than its factorization.

243351461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12931.

The product of its digits is 8640, while the sum is 29.

The square root of 243351461 is about 15599.7263117018. The cubic root of 243351461 is about 624.3258531564.

The spelling of 243351461 in words is "two hundred forty-three million, three hundred fifty-one thousand, four hundred sixty-one".