5661727 has 2 divisors, whose sum is σ = 5661728. Its totient is φ = 5661726.

The previous prime is 5661713. The next prime is 5661739. The reversal of 5661727 is 7271665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5661727 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5661692 and 5661701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5661797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830863 + 2830864.

It is an arithmetic number, because the mean of its divisors is an integer number (2830864).

Almost surely, 2^5661727 is an apocalyptic number.

5661727 is a deficient number, since it is larger than the sum of its proper divisors (1).

5661727 is an equidigital number, since it uses as much as digits as its factorization.

5661727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 5661727 is about 2379.4383791139. The cubic root of 5661727 is about 178.2308896198.

It can be divided in two parts, 56617 and 27, that added together give a square (56644 = 238²).

The spelling of 5661727 in words is "five million, six hundred sixty-one thousand, seven hundred twenty-seven".