516003397 has 32 divisors (see below), whose sum is σ = 688165632. Its totient is φ = 375266304.

The previous prime is 516003377. The next prime is 516003403. The reversal of 516003397 is 793300615.

It is not a de Polignac number, because 516003397 - 2⁷ = 516003269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516003317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62643 + ... + 70399.

It is an arithmetic number, because the mean of its divisors is an integer number (21505176).

Almost surely, 2^516003397 is an apocalyptic number.

It is an amenable number.

516003397 is a deficient number, since it is larger than the sum of its proper divisors (172162235).

516003397 is a wasteful number, since it uses less digits than its factorization.

516003397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 516003397 is about 22715.7081553713. The cubic root of 516003397 is about 802.0796915233.

The spelling of 516003397 in words is "five hundred sixteen million, three thousand, three hundred ninety-seven".