243254001 has 16 divisors (see below), whose sum is σ = 336139200. Its totient is φ = 156289728.

The previous prime is 243253963. The next prime is 243254009. The reversal of 243254001 is 100452342.

It is not a de Polignac number, because 243254001 - 2¹⁵ = 243221233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243254009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51595 + ... + 56111.

It is an arithmetic number, because the mean of its divisors is an integer number (21008700).

Almost surely, 2^243254001 is an apocalyptic number.

It is an amenable number.

243254001 is a deficient number, since it is larger than the sum of its proper divisors (92885199).

243254001 is a wasteful number, since it uses less digits than its factorization.

243254001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 243254001 is about 15596.6022261260. The cubic root of 243254001 is about 624.2424964590.

The spelling of 243254001 in words is "two hundred forty-three million, two hundred fifty-four thousand, one".