814513 has 4 divisors (see below), whose sum is σ = 930880. Its totient is φ = 698148.

The previous prime is 814501. The next prime is 814531. The reversal of 814513 is 315418.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58173 + ... + 58186.

It is an arithmetic number, because the mean of its divisors is an integer number (232720).

2⁸¹⁴⁵¹³ is an apocalyptic number.

It is an amenable number.

814513 is a deficient number, since it is larger than the sum of its proper divisors (116367).

814513 is a wasteful number, since it uses less digits than its factorization.

814513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116366.

The product of its digits is 480, while the sum is 22.

The square root of 814513 is about 902.5037396044. The cubic root of 814513 is about 93.3897773661.

The spelling of 814513 in words is "eight hundred fourteen thousand, five hundred thirteen".