513045345 has 8 divisors (see below), whose sum is σ = 820872576. Its totient is φ = 273624176.

The previous prime is 513045343. The next prime is 513045347. The reversal of 513045345 is 543540315.

It is an interprime number because it is at equal distance from previous prime (513045343) and next prime (513045347).

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 513045345 - 2¹ = 513045343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513045343) 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, 17101497 + ... + 17101526.

It is an arithmetic number, because the mean of its divisors is an integer number (102609072).

Almost surely, 2^513045345 is an apocalyptic number.

It is an amenable number.

513045345 is a deficient number, since it is larger than the sum of its proper divisors (307827231).

513045345 is a wasteful number, since it uses less digits than its factorization.

513045345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34203031.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 513045345 is about 22650.5042990217. The cubic root of 513045345 is about 800.5440804076.

The spelling of 513045345 in words is "five hundred thirteen million, forty-five thousand, three hundred forty-five".