5615481 has 4 divisors (see below), whose sum is σ = 7487312. Its totient is φ = 3743652.

The previous prime is 5615479. The next prime is 5615497. The reversal of 5615481 is 1845165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5615481 - 2¹ = 5615479 is a prime.

It is a super-2 number, since 2×5615481² = 63067253722722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5615411) 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, 935911 + ... + 935916.

It is an arithmetic number, because the mean of its divisors is an integer number (1871828).

Almost surely, 2^5615481 is an apocalyptic number.

It is an amenable number.

5615481 is a deficient number, since it is larger than the sum of its proper divisors (1871831).

5615481 is a wasteful number, since it uses less digits than its factorization.

5615481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871830.

The product of its digits is 4800, while the sum is 30.

The square root of 5615481 is about 2369.7006140017. The cubic root of 5615481 is about 177.7442883821.

The spelling of 5615481 in words is "five million, six hundred fifteen thousand, four hundred eighty-one".