5681502 has 40 divisors (see below), whose sum is σ = 13486176. Its totient is φ = 1781568.

The previous prime is 5681497. The next prime is 5681503. The reversal of 5681502 is 2051865.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1723 + ... + 3785.

Almost surely, 2^5681502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6743088).

5681502 is an abundant number, since it is smaller than the sum of its proper divisors (7804674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5681502 is a wasteful number, since it uses less digits than its factorization.

5681502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5681502 is about 2383.5901493336. The cubic root of 5681502 is about 178.4381538443.

The spelling of 5681502 in words is "five million, six hundred eighty-one thousand, five hundred two".