5681506 has 16 divisors (see below), whose sum is σ = 9201600. Its totient is φ = 2622928.

The previous prime is 5681503. The next prime is 5681509. The reversal of 5681506 is 6051865.

It is an interprime number because it is at equal distance from previous prime (5681503) and next prime (5681509).

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 7 ways as a sum of consecutive naturals, for example, 796 + ... + 3463.

It is an arithmetic number, because the mean of its divisors is an integer number (575100).

Almost surely, 2^5681506 is an apocalyptic number.

5681506 is a deficient number, since it is larger than the sum of its proper divisors (3520094).

5681506 is a wasteful number, since it uses less digits than its factorization.

5681506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5681506 is about 2383.5909884038. The cubic root of 5681506 is about 178.4381957201.

The spelling of 5681506 in words is "five million, six hundred eighty-one thousand, five hundred six".