26283613 has 2 divisors, whose sum is σ = 26283614. Its totient is φ = 26283612.

The previous prime is 26283559. The next prime is 26283623. The reversal of 26283613 is 31638262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19740249 + 6543364 = 4443^2 + 2558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26283613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26283623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13141806 + 13141807.

It is an arithmetic number, because the mean of its divisors is an integer number (13141807).

Almost surely, 2^26283613 is an apocalyptic number.

It is an amenable number.

26283613 is a deficient number, since it is larger than the sum of its proper divisors (1).

26283613 is an equidigital number, since it uses as much as digits as its factorization.

26283613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 26283613 is about 5126.7546264669. The cubic root of 26283613 is about 297.3228962611.

It can be divided in two parts, 26283 and 613, that added together give a square (26896 = 164²).

The spelling of 26283613 in words is "twenty-six million, two hundred eighty-three thousand, six hundred thirteen".