26463551 has 2 divisors, whose sum is σ = 26463552. Its totient is φ = 26463550.

The previous prime is 26463529. The next prime is 26463559. The reversal of 26463551 is 15536462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26463551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26463559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13231775 + 13231776.

It is an arithmetic number, because the mean of its divisors is an integer number (13231776).

Almost surely, 2^26463551 is an apocalyptic number.

26463551 is a deficient number, since it is larger than the sum of its proper divisors (1).

26463551 is an equidigital number, since it uses as much as digits as its factorization.

26463551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 26463551 is about 5144.2736124744. The cubic root of 26463551 is about 297.9998461029. Note that the first 3 decimals are identical.

The spelling of 26463551 in words is "twenty-six million, four hundred sixty-three thousand, five hundred fifty-one".