5615391 has 8 divisors (see below), whose sum is σ = 7515904. Its totient is φ = 3729240.

The previous prime is 5615387. The next prime is 5615411. The reversal of 5615391 is 1935165.

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

It is not a de Polignac number, because 5615391 - 2² = 5615387 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 (5615341) 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, 2641 + ... + 4266.

It is an arithmetic number, because the mean of its divisors is an integer number (939488).

Almost surely, 2^5615391 is an apocalyptic number.

5615391 is a deficient number, since it is larger than the sum of its proper divisors (1900513).

5615391 is a wasteful number, since it uses less digits than its factorization.

5615391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181.

The product of its digits is 4050, while the sum is 30.

The square root of 5615391 is about 2369.6816241850. The cubic root of 5615391 is about 177.7433388006.

It can be divided in two parts, 5615 and 391, that added together give a palindrome (6006).

The spelling of 5615391 in words is "five million, six hundred fifteen thousand, three hundred ninety-one".