26328403 has 2 divisors, whose sum is σ = 26328404. Its totient is φ = 26328402.

The previous prime is 26328397. The next prime is 26328451. The reversal of 26328403 is 30482362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26328403 - 2¹⁷ = 26197331 is a prime.

It is not a weakly prime, because it can be changed into another prime (26328473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13164201 + 13164202.

It is an arithmetic number, because the mean of its divisors is an integer number (13164202).

Almost surely, 2^26328403 is an apocalyptic number.

26328403 is a deficient number, since it is larger than the sum of its proper divisors (1).

26328403 is an equidigital number, since it uses as much as digits as its factorization.

26328403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 26328403 is about 5131.1210276118. The cubic root of 26328403 is about 297.4916900911.

The spelling of 26328403 in words is "twenty-six million, three hundred twenty-eight thousand, four hundred three".