517145401 has 8 divisors (see below), whose sum is σ = 544575680. Its totient is φ = 489736368.

The previous prime is 517145399. The next prime is 517145449. The reversal of 517145401 is 104541715.

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 517145401 - 2¹ = 517145399 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 517145401.

It is not an unprimeable number, because it can be changed into a prime (517145471) 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, 79660 + ... + 85906.

It is an arithmetic number, because the mean of its divisors is an integer number (68071960).

Almost surely, 2^517145401 is an apocalyptic number.

It is an amenable number.

517145401 is a deficient number, since it is larger than the sum of its proper divisors (27430279).

517145401 is a wasteful number, since it uses less digits than its factorization.

517145401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10623.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 517145401 is about 22740.8311413633. The cubic root of 517145401 is about 802.6709688366.

The spelling of 517145401 in words is "five hundred seventeen million, one hundred forty-five thousand, four hundred one".