516275545 has 8 divisors (see below), whose sum is σ = 640893960. Its totient is φ = 398778240.

The previous prime is 516275537. The next prime is 516275569. The reversal of 516275545 is 545572615.

It can be written as a sum of positive squares in 4 ways, for example, as 79423744 + 436851801 = 8912^2 + 20901^2 .

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

It is not a de Polignac number, because 516275545 - 2³ = 516275537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516275498 and 516275507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780116 + ... + 1780405.

It is an arithmetic number, because the mean of its divisors is an integer number (80111745).

Almost surely, 2^516275545 is an apocalyptic number.

It is an amenable number.

516275545 is a deficient number, since it is larger than the sum of its proper divisors (124618415).

516275545 is a wasteful number, since it uses less digits than its factorization.

516275545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560555.

The product of its digits is 210000, while the sum is 40.

The square root of 516275545 is about 22721.6976698485. The cubic root of 516275545 is about 802.2206763959.

The spelling of 516275545 in words is "five hundred sixteen million, two hundred seventy-five thousand, five hundred forty-five".