26562131 has 2 divisors, whose sum is σ = 26562132. Its totient is φ = 26562130.

The previous prime is 26562127. The next prime is 26562163. The reversal of 26562131 is 13126562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26562131 - 2² = 26562127 is a prime.

It is a super-2 number, since 2×26562131² = 1411093606522322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26562131.

It is not a weakly prime, because it can be changed into another prime (26562121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13281065 + 13281066.

It is an arithmetic number, because the mean of its divisors is an integer number (13281066).

Almost surely, 2^26562131 is an apocalyptic number.

26562131 is a deficient number, since it is larger than the sum of its proper divisors (1).

26562131 is an equidigital number, since it uses as much as digits as its factorization.

26562131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 26562131 is about 5153.8462336395. The cubic root of 26562131 is about 298.3694163431.

Adding to 26562131 its reverse (13126562), we get a palindrome (39688693).

The spelling of 26562131 in words is "twenty-six million, five hundred sixty-two thousand, one hundred thirty-one".