26320451 has 2 divisors, whose sum is σ = 26320452. Its totient is φ = 26320450.

The previous prime is 26320421. The next prime is 26320501. The reversal of 26320451 is 15402362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26320451 - 2⁶ = 26320387 is a prime.

It is a super-2 number, since 2×26320451² = 1385532281686802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26320421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13160225 + 13160226.

It is an arithmetic number, because the mean of its divisors is an integer number (13160226).

Almost surely, 2^26320451 is an apocalyptic number.

26320451 is a deficient number, since it is larger than the sum of its proper divisors (1).

26320451 is an equidigital number, since it uses as much as digits as its factorization.

26320451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 26320451 is about 5130.3460896902. The cubic root of 26320451 is about 297.4617364813.

The spelling of 26320451 in words is "twenty-six million, three hundred twenty thousand, four hundred fifty-one".