562691 has 2 divisors, whose sum is σ = 562692. Its totient is φ = 562690.

The previous prime is 562673. The next prime is 562693. The reversal of 562691 is 196265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 562691 - 2¹⁰ = 561667 is a prime.

It is a super-2 number, since 2×562691² = 633242322962, which contains 22 as substring.

Together with 562693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (562693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281345 + 281346.

It is an arithmetic number, because the mean of its divisors is an integer number (281346).

562691 is a Friedman number, since it can be written as 9^6+5^6*2*1, using all its digits and the basic arithmetic operations.

2⁵⁶²⁶⁹¹ is an apocalyptic number.

562691 is a deficient number, since it is larger than the sum of its proper divisors (1).

562691 is an equidigital number, since it uses as much as digits as its factorization.

562691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 562691 is about 750.1273225260. The cubic root of 562691 is about 82.5575233962.

The spelling of 562691 in words is "five hundred sixty-two thousand, six hundred ninety-one".