517465340 has 24 divisors (see below), whose sum is σ = 1241917152. Its totient is φ = 177416640.

The previous prime is 517465337. The next prime is 517465349. The reversal of 517465340 is 43564715.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 517465340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517465349) 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, 1847951 + ... + 1848230.

It is an arithmetic number, because the mean of its divisors is an integer number (51746548).

Almost surely, 2^517465340 is an apocalyptic number.

It is an amenable number.

517465340 is an abundant number, since it is smaller than the sum of its proper divisors (724451812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517465340 is a wasteful number, since it uses less digits than its factorization.

517465340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696197 (or 3696195 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 517465340 is about 22747.8645151583. The cubic root of 517465340 is about 802.8364624650.

The spelling of 517465340 in words is "five hundred seventeen million, four hundred sixty-five thousand, three hundred forty".