516250397 has 8 divisors (see below), whose sum is σ = 567791616. Its totient is φ = 466399152.

The previous prime is 516250351. The next prime is 516250403. The reversal of 516250397 is 793052615.

It is a happy number.

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 516250397 - 2²⁶ = 449141533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516250397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516250337) by changing a digit.

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, 421853 + ... + 423074.

It is an arithmetic number, because the mean of its divisors is an integer number (70973952).

Almost surely, 2^516250397 is an apocalyptic number.

It is an amenable number.

516250397 is a deficient number, since it is larger than the sum of its proper divisors (51541219).

516250397 is a wasteful number, since it uses less digits than its factorization.

516250397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844987.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 516250397 is about 22721.1442713610. The cubic root of 516250397 is about 802.2076506817.

The spelling of 516250397 in words is "five hundred sixteen million, two hundred fifty thousand, three hundred ninety-seven".