26507963 has 2 divisors, whose sum is σ = 26507964. Its totient is φ = 26507962.

The previous prime is 26507939. The next prime is 26507969. The reversal of 26507963 is 36970562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26507963 - 2¹⁰ = 26506939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26507969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13253981 + 13253982.

It is an arithmetic number, because the mean of its divisors is an integer number (13253982).

Almost surely, 2^26507963 is an apocalyptic number.

26507963 is a deficient number, since it is larger than the sum of its proper divisors (1).

26507963 is an equidigital number, since it uses as much as digits as its factorization.

26507963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 26507963 is about 5148.5884473319. The cubic root of 26507963 is about 298.1664573082.

The spelling of 26507963 in words is "twenty-six million, five hundred seven thousand, nine hundred sixty-three".