514432317257 has 4 divisors (see below), whose sum is σ = 516678746820. Its totient is φ = 512185887696.

The previous prime is 514432317233. The next prime is 514432317271. The reversal of 514432317257 is 752713234415.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752713234415 = 5 ⋅150542646883.

It can be written as a sum of positive squares in 2 ways, for example, as 252389683456 + 262042633801 = 502384^2 + 511901^2 .

It is a cyclic number.

It is not a de Polignac number, because 514432317257 - 2¹⁴ = 514432300873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514432313257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123214438 + ... + 1123214895.

It is an arithmetic number, because the mean of its divisors is an integer number (129169686705).

Almost surely, 2^514432317257 is an apocalyptic number.

It is an amenable number.

514432317257 is a deficient number, since it is larger than the sum of its proper divisors (2246429563).

514432317257 is a wasteful number, since it uses less digits than its factorization.

514432317257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246429562.

The product of its digits is 705600, while the sum is 44.

The spelling of 514432317257 in words is "five hundred fourteen billion, four hundred thirty-two million, three hundred seventeen thousand, two hundred fifty-seven".