513254345 has 8 divisors (see below), whose sum is σ = 616113864. Its totient is φ = 410464384.

The previous prime is 513254311. The next prime is 513254363. The reversal of 513254345 is 543452315.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47169424 + 466084921 = 6868^2 + 21589^2 .

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 513254345 - 2²⁶ = 446145481 is a prime.

It is a super-2 number, since 2×513254345² = 526860045322758050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527 + ... + 32043.

It is an arithmetic number, because the mean of its divisors is an integer number (77014233).

Almost surely, 2^513254345 is an apocalyptic number.

It is an amenable number.

513254345 is a deficient number, since it is larger than the sum of its proper divisors (102859519).

513254345 is a wasteful number, since it uses less digits than its factorization.

513254345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34779.

The product of its digits is 36000, while the sum is 32.

The square root of 513254345 is about 22655.1174130703. The cubic root of 513254345 is about 800.6527719037.

The spelling of 513254345 in words is "five hundred thirteen million, two hundred fifty-four thousand, three hundred forty-five".