4312613 has 4 divisors (see below), whose sum is σ = 4328460. Its totient is φ = 4296768.

The previous prime is 4312571. The next prime is 4312631. The reversal of 4312613 is 3162134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1151329 + 3161284 = 1073^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312613 - 2⁶ = 4312549 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 (4312643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7508 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (1082115).

Almost surely, 2^4312613 is an apocalyptic number.

It is an amenable number.

4312613 is a deficient number, since it is larger than the sum of its proper divisors (15847).

4312613 is a wasteful number, since it uses less digits than its factorization.

4312613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15846.

The product of its digits is 432, while the sum is 20.

The square root of 4312613 is about 2076.6831727541. The cubic root of 4312613 is about 162.7721734642.

Adding to 4312613 its reverse (3162134), we get a palindrome (7474747).

The spelling of 4312613 in words is "four million, three hundred twelve thousand, six hundred thirteen".