514742 has 4 divisors (see below), whose sum is σ = 772116. Its totient is φ = 257370.

The previous prime is 514741. The next prime is 514747. The reversal of 514742 is 247415.

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

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 514742.

It is not an unprimeable number, because it can be changed into a prime (514741) 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 as a sum of consecutive naturals, namely, 128684 + ... + 128687.

It is an arithmetic number, because the mean of its divisors is an integer number (193029).

2⁵¹⁴⁷⁴² is an apocalyptic number.

514742 is a deficient number, since it is larger than the sum of its proper divisors (257374).

514742 is a wasteful number, since it uses less digits than its factorization.

514742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257373.

The product of its digits is 1120, while the sum is 23.

The square root of 514742 is about 717.4552250838. The cubic root of 514742 is about 80.1425583132.

The spelling of 514742 in words is "five hundred fourteen thousand, seven hundred forty-two".