26425013 has 2 divisors, whose sum is σ = 26425014. Its totient is φ = 26425012.

The previous prime is 26424977. The next prime is 26425027. The reversal of 26425013 is 31052462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22972849 + 3452164 = 4793^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 26425013 - 2⁸ = 26424757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26425013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26425213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13212506 + 13212507.

It is an arithmetic number, because the mean of its divisors is an integer number (13212507).

Almost surely, 2^26425013 is an apocalyptic number.

It is an amenable number.

26425013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26425013 is an equidigital number, since it uses as much as digits as its factorization.

26425013 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 26425013 is about 5140.5265294520. The cubic root of 26425013 is about 297.8551200314.

Adding to 26425013 its reverse (31052462), we get a palindrome (57477475).

The spelling of 26425013 in words is "twenty-six million, four hundred twenty-five thousand, thirteen".