243465513 has 8 divisors (see below), whose sum is σ = 333394368. Its totient is φ = 157923504.

The previous prime is 243465493. The next prime is 243465539. The reversal of 243465513 is 315564342.

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

It is a de Polignac number, because none of the positive numbers 2^k-243465513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243461513) 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, 1096581 + ... + 1096802.

It is an arithmetic number, because the mean of its divisors is an integer number (41674296).

Almost surely, 2^243465513 is an apocalyptic number.

It is an amenable number.

243465513 is a deficient number, since it is larger than the sum of its proper divisors (89928855).

243465513 is a wasteful number, since it uses less digits than its factorization.

243465513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193423.

The product of its digits is 43200, while the sum is 33.

The square root of 243465513 is about 15603.3814604399. The cubic root of 243465513 is about 624.4233725916.

The spelling of 243465513 in words is "two hundred forty-three million, four hundred sixty-five thousand, five hundred thirteen".