842513 has 8 divisors (see below), whose sum is σ = 1004928. Its totient is φ = 690624.

The previous prime is 842507. The next prime is 842519. The reversal of 842513 is 315248.

842513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (842507) and next prime (842519).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 842513 - 2⁴ = 842497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842513.

It is not an unprimeable number, because it can be changed into a prime (842519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456 + ... + 2777.

It is an arithmetic number, because the mean of its divisors is an integer number (125616).

2⁸⁴²⁵¹³ is an apocalyptic number.

It is an amenable number.

842513 is a deficient number, since it is larger than the sum of its proper divisors (162415).

842513 is a wasteful number, since it uses less digits than its factorization.

842513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263.

The product of its digits is 960, while the sum is 23.

The square root of 842513 is about 917.8850690582. The cubic root of 842513 is about 94.4478777170.

The spelling of 842513 in words is "eight hundred forty-two thousand, five hundred thirteen".