514757493 has 12 divisors (see below), whose sum is σ = 743810860. Its totient is φ = 343046016.

The previous prime is 514757491. The next prime is 514757513. The reversal of 514757493 is 394757415.

It can be written as a sum of positive squares in 2 ways, for example, as 339406929 + 175350564 = 18423^2 + 13242^2 .

It is not a de Polignac number, because 514757493 - 2¹ = 514757491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514757491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20205 + ... + 37917.

Almost surely, 2^514757493 is an apocalyptic number.

It is an amenable number.

514757493 is a deficient number, since it is larger than the sum of its proper divisors (229053367).

514757493 is a wasteful number, since it uses less digits than its factorization.

514757493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20948 (or 20945 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 514757493 is about 22688.2677390761. The cubic root of 514757493 is about 801.4336236403.

The spelling of 514757493 in words is "five hundred fourteen million, seven hundred fifty-seven thousand, four hundred ninety-three".