516263345 has 16 divisors (see below), whose sum is σ = 702287040. Its totient is φ = 361174464.

The previous prime is 516263311. The next prime is 516263353. The reversal of 516263345 is 543362615.

It is a cyclic number.

It is not a de Polignac number, because 516263345 - 2¹⁴ = 516246961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207779 + ... + 210248.

It is an arithmetic number, because the mean of its divisors is an integer number (43892940).

Almost surely, 2^516263345 is an apocalyptic number.

It is an amenable number.

516263345 is a deficient number, since it is larger than the sum of its proper divisors (186023695).

516263345 is a wasteful number, since it uses less digits than its factorization.

516263345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418064.

The product of its digits is 64800, while the sum is 35.

The square root of 516263345 is about 22721.4292024071. The cubic root of 516263345 is about 802.2143573095.

The spelling of 516263345 in words is "five hundred sixteen million, two hundred sixty-three thousand, three hundred forty-five".