26435491 has 2 divisors, whose sum is σ = 26435492. Its totient is φ = 26435490.

The previous prime is 26435489. The next prime is 26435543. The reversal of 26435491 is 19453462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26435491 - 2¹ = 26435489 is a prime.

It is a super-2 number, since 2×26435491² = 1397670368822162, which contains 22 as substring.

Together with 26435489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26435401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13217745 + 13217746.

It is an arithmetic number, because the mean of its divisors is an integer number (13217746).

Almost surely, 2^26435491 is an apocalyptic number.

26435491 is a deficient number, since it is larger than the sum of its proper divisors (1).

26435491 is an equidigital number, since it uses as much as digits as its factorization.

26435491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 26435491 is about 5141.5455847439. The cubic root of 26435491 is about 297.8944831597.

The spelling of 26435491 in words is "twenty-six million, four hundred thirty-five thousand, four hundred ninety-one".