26212253 has 4 divisors (see below), whose sum is σ = 26223900. Its totient is φ = 26200608.

The previous prime is 26212247. The next prime is 26212261. The reversal of 26212253 is 35221262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10067929 + 16144324 = 3173^2 + 4018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26212253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26212273) 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, 1250 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (6555975).

Almost surely, 2^26212253 is an apocalyptic number.

It is an amenable number.

26212253 is a deficient number, since it is larger than the sum of its proper divisors (11647).

26212253 is an equidigital number, since it uses as much as digits as its factorization.

26212253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11646.

The product of its digits is 1440, while the sum is 23.

The square root of 26212253 is about 5119.7903277380. The cubic root of 26212253 is about 297.0535751923.

Subtracting 26212253 from its reverse (35221262), we obtain a palindrome (9009009).

The spelling of 26212253 in words is "twenty-six million, two hundred twelve thousand, two hundred fifty-three".