26217252 has 36 divisors (see below), whose sum is σ = 66498796. Its totient is φ = 8709120.

The previous prime is 26217239. The next prime is 26217253. The reversal of 26217252 is 25271262.

It can be written as a sum of positive squares in 2 ways, for example, as 11655396 + 14561856 = 3414^2 + 3816^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (26217253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11052 + ... + 13212.

Almost surely, 2^26217252 is an apocalyptic number.

It is an amenable number.

26217252 is an abundant number, since it is smaller than the sum of its proper divisors (40281544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26217252 is a wasteful number, since it uses less digits than its factorization.

26217252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2503 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 26217252 is about 5120.2785080501. The cubic root of 26217252 is about 297.0724579190.

The spelling of 26217252 in words is "twenty-six million, two hundred seventeen thousand, two hundred fifty-two".