5001613 has 4 divisors (see below), whose sum is σ = 5007580. Its totient is φ = 4995648.

The previous prime is 5001593. The next prime is 5001629. The reversal of 5001613 is 3161005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2965284 + 2036329 = 1722^2 + 1427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5001613 is a prime.

It is a super-2 number, since 2×5001613² = 50032265203538, which contains 22 as substring.

It is a Duffinian number.

5001613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5001643) 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, 1470 + ... + 3487.

It is an arithmetic number, because the mean of its divisors is an integer number (1251895).

Almost surely, 2^5001613 is an apocalyptic number.

It is an amenable number.

5001613 is a deficient number, since it is larger than the sum of its proper divisors (5967).

5001613 is a wasteful number, since it uses less digits than its factorization.

5001613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 5001613 is about 2236.4286261806. The cubic root of 5001613 is about 171.0159806321.

Adding to 5001613 its reverse (3161005), we get a palindrome (8162618).

The spelling of 5001613 in words is "five million, one thousand, six hundred thirteen".