26125249 has 4 divisors (see below), whose sum is σ = 26276436. Its totient is φ = 25974064.

The previous prime is 26125223. The next prime is 26125273. The reversal of 26125249 is 94252162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94252162 = 2 ⋅47126081.

It can be written as a sum of positive squares in 2 ways, for example, as 10284849 + 15840400 = 3207^2 + 3980^2 .

It is a cyclic number.

It is not a de Polignac number, because 26125249 - 2²¹ = 24028097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26125249.

It is not an unprimeable number, because it can be changed into a prime (26125289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75334 + ... + 75679.

It is an arithmetic number, because the mean of its divisors is an integer number (6569109).

Almost surely, 2^26125249 is an apocalyptic number.

It is an amenable number.

26125249 is a deficient number, since it is larger than the sum of its proper divisors (151187).

26125249 is a wasteful number, since it uses less digits than its factorization.

26125249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151186.

The product of its digits is 8640, while the sum is 31.

The square root of 26125249 is about 5111.2864329834. The cubic root of 26125249 is about 296.7245497178.

The spelling of 26125249 in words is "twenty-six million, one hundred twenty-five thousand, two hundred forty-nine".