26117293 has 2 divisors, whose sum is σ = 26117294. Its totient is φ = 26117292.

The previous prime is 26117281. The next prime is 26117359. The reversal of 26117293 is 39271162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25220484 + 896809 = 5022^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 26117293 - 2¹³ = 26109101 is a prime.

It is a super-2 number, since 2×26117293² = 1364225987295698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26117233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13058646 + 13058647.

It is an arithmetic number, because the mean of its divisors is an integer number (13058647).

Almost surely, 2^26117293 is an apocalyptic number.

It is an amenable number.

26117293 is a deficient number, since it is larger than the sum of its proper divisors (1).

26117293 is an equidigital number, since it uses as much as digits as its factorization.

26117293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 26117293 is about 5110.5080960703. The cubic root of 26117293 is about 296.6944258557.

The spelling of 26117293 in words is "twenty-six million, one hundred seventeen thousand, two hundred ninety-three".