5681503 has 2 divisors, whose sum is σ = 5681504. Its totient is φ = 5681502.

The previous prime is 5681497. The next prime is 5681509. The reversal of 5681503 is 3051865.

It is a balanced prime because it is at equal distance from previous prime (5681497) and next prime (5681509).

It is a cyclic number.

It is not a de Polignac number, because 5681503 - 2⁵ = 5681471 is a prime.

It is equal to p₃₉₂₃₈₃ and since 5681503 and 392383 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840751 + 2840752.

It is an arithmetic number, because the mean of its divisors is an integer number (2840752).

Almost surely, 2^5681503 is an apocalyptic number.

5681503 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681503 is an equidigital number, since it uses as much as digits as its factorization.

5681503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5681503 is about 2383.5903591012. The cubic root of 5681503 is about 178.4381643133.

The spelling of 5681503 in words is "five million, six hundred eighty-one thousand, five hundred three".