26125217 has 4 divisors (see below), whose sum is σ = 27261120. Its totient is φ = 24989316.

The previous prime is 26125207. The next prime is 26125223. The reversal of 26125217 is 71252162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71252162 = 2 ⋅35626081.

It is not a de Polignac number, because 26125217 - 2⁶ = 26125153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26125207) 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, 567917 + ... + 567962.

It is an arithmetic number, because the mean of its divisors is an integer number (6815280).

Almost surely, 2^26125217 is an apocalyptic number.

It is an amenable number.

26125217 is a deficient number, since it is larger than the sum of its proper divisors (1135903).

26125217 is a wasteful number, since it uses less digits than its factorization.

26125217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135902.

The product of its digits is 1680, while the sum is 26.

The square root of 26125217 is about 5111.2833026550. The cubic root of 26125217 is about 296.7244285683.

Adding to 26125217 its reverse (71252162), we get a palindrome (97377379).

The spelling of 26125217 in words is "twenty-six million, one hundred twenty-five thousand, two hundred seventeen".