26428603 has 2 divisors, whose sum is σ = 26428604. Its totient is φ = 26428602.

The previous prime is 26428583. The next prime is 26428621. The reversal of 26428603 is 30682462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26428603 - 2⁹ = 26428091 is a prime.

It is not a weakly prime, because it can be changed into another prime (26428643) 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, 13214301 + 13214302.

It is an arithmetic number, because the mean of its divisors is an integer number (13214302).

Almost surely, 2^26428603 is an apocalyptic number.

26428603 is a deficient number, since it is larger than the sum of its proper divisors (1).

26428603 is an equidigital number, since it uses as much as digits as its factorization.

26428603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 26428603 is about 5140.8757036131. The cubic root of 26428603 is about 297.8686079019.

The spelling of 26428603 in words is "twenty-six million, four hundred twenty-eight thousand, six hundred three".