Search a number
-
+
535861 is a prime number
BaseRepresentation
bin10000010110100110101
31000020001201
42002310311
5114121421
615252501
74361164
oct2026465
91006051
10535861
11336667
1221a131
13159ba1
14dd3db
15a8b91
hex82d35

535861 has 2 divisors, whose sum is σ = 535862. Its totient is φ = 535860.

The previous prime is 535859. The next prime is 535879. The reversal of 535861 is 168535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442225 + 93636 = 665^2 + 306^2 .

It is a cyclic number.

It is not a de Polignac number, because 535861 - 21 = 535859 is a prime.

It is a super-2 number, since 2×5358612 = 574294022642, which contains 22 as substring.

Together with 535859, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267930 + 267931.

It is an arithmetic number, because the mean of its divisors is an integer number (267931).

2535861 is an apocalyptic number.

It is an amenable number.

535861 is a deficient number, since it is larger than the sum of its proper divisors (1).

535861 is an equidigital number, since it uses as much as digits as its factorization.

535861 is an odious number, because the sum of its binary digits is odd.

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

The square root of 535861 is about 732.0252727878. The cubic root of 535861 is about 81.2239395712.

The spelling of 535861 in words is "five hundred thirty-five thousand, eight hundred sixty-one".