26245245 has 16 divisors (see below), whose sum is σ = 45222912. Its totient is φ = 12920640.

The previous prime is 26245243. The next prime is 26245249. The reversal of 26245245 is 54254262.

It is a happy number.

It is not a de Polignac number, because 26245245 - 2¹ = 26245243 is a prime.

It is a super-2 number, since 2×26245245² = 1377625770220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26245243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67101 + ... + 67490.

It is an arithmetic number, because the mean of its divisors is an integer number (2826432).

Almost surely, 2^26245245 is an apocalyptic number.

It is an amenable number.

26245245 is a deficient number, since it is larger than the sum of its proper divisors (18977667).

26245245 is a wasteful number, since it uses less digits than its factorization.

26245245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134612.

The product of its digits is 19200, while the sum is 30.

The square root of 26245245 is about 5123.0113214788. The cubic root of 26245245 is about 297.1781515711.

The spelling of 26245245 in words is "twenty-six million, two hundred forty-five thousand, two hundred forty-five".