516502401 has 8 divisors (see below), whose sum is σ = 691678080. Its totient is φ = 342830832.

The previous prime is 516502387. The next prime is 516502417. The reversal of 516502401 is 104205615.

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

It is not a de Polignac number, because 516502401 - 2¹⁴ = 516486017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516502471) 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, 375225 + ... + 376598.

It is an arithmetic number, because the mean of its divisors is an integer number (86459760).

Almost surely, 2^516502401 is an apocalyptic number.

It is an amenable number.

516502401 is a deficient number, since it is larger than the sum of its proper divisors (175175679).

516502401 is a wasteful number, since it uses less digits than its factorization.

516502401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752055.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 516502401 is about 22726.6891781447. The cubic root of 516502401 is about 802.3381601222.

The spelling of 516502401 in words is "five hundred sixteen million, five hundred two thousand, four hundred one".