26309051 has 2 divisors, whose sum is σ = 26309052. Its totient is φ = 26309050.

The previous prime is 26309039. The next prime is 26309057. The reversal of 26309051 is 15090362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26309051 - 2¹⁴ = 26292667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26309051.

It is not a weakly prime, because it can be changed into another prime (26309057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13154525 + 13154526.

It is an arithmetic number, because the mean of its divisors is an integer number (13154526).

Almost surely, 2^26309051 is an apocalyptic number.

26309051 is a deficient number, since it is larger than the sum of its proper divisors (1).

26309051 is an equidigital number, since it uses as much as digits as its factorization.

26309051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 26309051 is about 5129.2349332040. The cubic root of 26309051 is about 297.4187844121.

The spelling of 26309051 in words is "twenty-six million, three hundred nine thousand, fifty-one".