5681505 has 16 divisors (see below), whose sum is σ = 9120384. Its totient is φ = 3020160.

The previous prime is 5681503. The next prime is 5681509. The reversal of 5681505 is 5051865.

It is a happy number.

It is not a de Polignac number, because 5681505 - 2¹ = 5681503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5681503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7452 + ... + 8178.

It is an arithmetic number, because the mean of its divisors is an integer number (570024).

Almost surely, 2^5681505 is an apocalyptic number.

It is an amenable number.

5681505 is a deficient number, since it is larger than the sum of its proper divisors (3438879).

5681505 is a wasteful number, since it uses less digits than its factorization.

5681505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 5681505 is about 2383.5907786363. The cubic root of 5681505 is about 178.4381852512.

The spelling of 5681505 in words is "five million, six hundred eighty-one thousand, five hundred five".