3087613 has 4 divisors (see below), whose sum is σ = 3171100. Its totient is φ = 3004128.

The previous prime is 3087599. The next prime is 3087619. The reversal of 3087613 is 3167803.

3087613 = 1242² + 1243².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3167803 = 173 ⋅18311.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 1545049 = 1242^2 + 1243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3087613 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 (3087619) 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, 41688 + ... + 41761.

It is an arithmetic number, because the mean of its divisors is an integer number (792775).

Almost surely, 2^3087613 is an apocalyptic number.

3087613 is the 1243-rd centered square number.

It is an amenable number.

3087613 is a deficient number, since it is larger than the sum of its proper divisors (83487).

3087613 is an equidigital number, since it uses as much as digits as its factorization.

3087613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83486.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3087613 is about 1757.1604935236. The cubic root of 3087613 is about 145.6155048547.

It can be divided in two parts, 308 and 7613, that added together give a square (7921 = 89²).

The spelling of 3087613 in words is "three million, eighty-seven thousand, six hundred thirteen".