26620051 has 2 divisors, whose sum is σ = 26620052. Its totient is φ = 26620050.

The previous prime is 26620049. The next prime is 26620067. The reversal of 26620051 is 15002662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26620051 - 2¹ = 26620049 is a prime.

Together with 26620049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26620651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13310025 + 13310026.

It is an arithmetic number, because the mean of its divisors is an integer number (13310026).

Almost surely, 2^26620051 is an apocalyptic number.

26620051 is a deficient number, since it is larger than the sum of its proper divisors (1).

26620051 is an equidigital number, since it uses as much as digits as its factorization.

26620051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 26620051 is about 5159.4622781836. The cubic root of 26620051 is about 298.5861285075.

The spelling of 26620051 in words is "twenty-six million, six hundred twenty thousand, fifty-one".