243516097 has 8 divisors (see below), whose sum is σ = 272133792. Its totient is φ = 215978400.

The previous prime is 243516073. The next prime is 243516121. The reversal of 243516097 is 790615342.

It is an interprime number because it is at equal distance from previous prime (243516073) and next prime (243516121).

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

It is not a de Polignac number, because 243516097 - 2¹⁹ = 242991809 is a prime.

It is a super-2 number, since 2×243516097² = 118600178996226818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243516037) 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, 269523 + ... + 270424.

It is an arithmetic number, because the mean of its divisors is an integer number (34016724).

Almost surely, 2^243516097 is an apocalyptic number.

It is an amenable number.

243516097 is a deficient number, since it is larger than the sum of its proper divisors (28617695).

243516097 is a wasteful number, since it uses less digits than its factorization.

243516097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539999.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 243516097 is about 15605.0023069527. The cubic root of 243516097 is about 624.4666143691.

The spelling of 243516097 in words is "two hundred forty-three million, five hundred sixteen thousand, ninety-seven".