517295054 has 4 divisors (see below), whose sum is σ = 775942584. Its totient is φ = 258647526.

The previous prime is 517295029. The next prime is 517295059. The reversal of 517295054 is 450592715.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 517294999 and 517295017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517295059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129323762 + ... + 129323765.

It is an arithmetic number, because the mean of its divisors is an integer number (193985646).

Almost surely, 2^517295054 is an apocalyptic number.

517295054 is a deficient number, since it is larger than the sum of its proper divisors (258647530).

517295054 is a wasteful number, since it uses less digits than its factorization.

517295054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258647529.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 517295054 is about 22744.1213063948. The cubic root of 517295054 is about 802.7483877682.

The spelling of 517295054 in words is "five hundred seventeen million, two hundred ninety-five thousand, fifty-four".