26554831 has 2 divisors, whose sum is σ = 26554832. Its totient is φ = 26554830.

The previous prime is 26554813. The next prime is 26554861. The reversal of 26554831 is 13845562.

Together with previous prime (26554813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26554831 is a prime.

It is a super-2 number, since 2×26554831² = 1410318098877122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26554861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13277415 + 13277416.

It is an arithmetic number, because the mean of its divisors is an integer number (13277416).

Almost surely, 2^26554831 is an apocalyptic number.

26554831 is a deficient number, since it is larger than the sum of its proper divisors (1).

26554831 is an equidigital number, since it uses as much as digits as its factorization.

26554831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 26554831 is about 5153.1379760298. The cubic root of 26554831 is about 298.3420804804.

The spelling of 26554831 in words is "twenty-six million, five hundred fifty-four thousand, eight hundred thirty-one".