517357045 has 4 divisors (see below), whose sum is σ = 620828460. Its totient is φ = 413885632.

The previous prime is 517357003. The next prime is 517357067. The reversal of 517357045 is 540753715.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 311204881 + 206152164 = 17641^2 + 14358^2 .

It is a cyclic number.

It is not a de Polignac number, because 517357045 - 2¹¹ = 517354997 is a prime.

It is a super-2 number, since 2×517357045² = 535316624022264050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 517356995 and 517357013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51735700 + ... + 51735709.

It is an arithmetic number, because the mean of its divisors is an integer number (155207115).

Almost surely, 2^517357045 is an apocalyptic number.

It is an amenable number.

517357045 is a deficient number, since it is larger than the sum of its proper divisors (103471415).

517357045 is a wasteful number, since it uses less digits than its factorization.

517357045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103471414.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 517357045 is about 22745.4840572805. The cubic root of 517357045 is about 802.7804527617.

The spelling of 517357045 in words is "five hundred seventeen million, three hundred fifty-seven thousand, forty-five".