26156245 has 8 divisors (see below), whose sum is σ = 31416120. Its totient is φ = 20905920.

The previous prime is 26156243. The next prime is 26156261. The reversal of 26156245 is 54265162.

It can be written as a sum of positive squares in 4 ways, for example, as 4691556 + 21464689 = 2166^2 + 4633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26156245 - 2¹ = 26156243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26156243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7015 + ... + 10075.

It is an arithmetic number, because the mean of its divisors is an integer number (3927015).

Almost surely, 2^26156245 is an apocalyptic number.

It is an amenable number.

26156245 is a deficient number, since it is larger than the sum of its proper divisors (5259875).

26156245 is a wasteful number, since it uses less digits than its factorization.

26156245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775.

The product of its digits is 14400, while the sum is 31.

The square root of 26156245 is about 5114.3176475460. The cubic root of 26156245 is about 296.8418518114.

The spelling of 26156245 in words is "twenty-six million, one hundred fifty-six thousand, two hundred forty-five".