514131491 has 4 divisors (see below), whose sum is σ = 515277000. Its totient is φ = 512985984.

The previous prime is 514131479. The next prime is 514131523. The reversal of 514131491 is 194131415.

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

It is a cyclic number.

It is not a de Polignac number, because 514131491 - 2⁶ = 514131427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514131451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572081 + ... + 572978.

It is an arithmetic number, because the mean of its divisors is an integer number (128819250).

Almost surely, 2^514131491 is an apocalyptic number.

514131491 is a deficient number, since it is larger than the sum of its proper divisors (1145509).

514131491 is a wasteful number, since it uses less digits than its factorization.

514131491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145508.

The product of its digits is 2160, while the sum is 29.

The square root of 514131491 is about 22674.4678217593. The cubic root of 514131491 is about 801.1086145700.

The spelling of 514131491 in words is "five hundred fourteen million, one hundred thirty-one thousand, four hundred ninety-one".