514712857 has 4 divisors (see below), whose sum is σ = 514766080. Its totient is φ = 514659636.

The previous prime is 514712843. The next prime is 514712879. The reversal of 514712857 is 758217415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 758217415 = 5 ⋅151643483.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514712857 is a prime.

It is a super-2 number, since 2×514712857² = 529858650322204898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514712897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7557 + ... + 32962.

It is an arithmetic number, because the mean of its divisors is an integer number (128691520).

Almost surely, 2^514712857 is an apocalyptic number.

It is an amenable number.

514712857 is a deficient number, since it is larger than the sum of its proper divisors (53223).

514712857 is a wasteful number, since it uses less digits than its factorization.

514712857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53222.

The product of its digits is 78400, while the sum is 40.

The square root of 514712857 is about 22687.2840375396. The cubic root of 514712857 is about 801.4104581525.

The spelling of 514712857 in words is "five hundred fourteen million, seven hundred twelve thousand, eight hundred fifty-seven".