5691001 has 2 divisors, whose sum is σ = 5691002. Its totient is φ = 5691000.

The previous prime is 5690987. The next prime is 5691029. The reversal of 5691001 is 1001965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5359225 + 331776 = 2315^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 5691001 - 2⁵ = 5690969 is a prime.

It is a Chen prime.

5691001 is a lucky number.

It is equal to p₃₉₃₀₀₇ and since 5691001 and 393007 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5691041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845500 + 2845501.

It is an arithmetic number, because the mean of its divisors is an integer number (2845501).

Almost surely, 2^5691001 is an apocalyptic number.

It is an amenable number.

5691001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5691001 is an equidigital number, since it uses as much as digits as its factorization.

5691001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 5691001 is about 2385.5818996631. The cubic root of 5691001 is about 178.5375430713.

Adding to 5691001 its reverse (1001965), we get a palindrome (6692966).

The spelling of 5691001 in words is "five million, six hundred ninety-one thousand, one".