26657225 has 36 divisors (see below), whose sum is σ = 39354624. Its totient is φ = 17851680.

The previous prime is 26657221. The next prime is 26657227. The reversal of 26657225 is 52275662.

It is not a de Polignac number, because 26657225 - 2² = 26657221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26657221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57344 + ... + 57806.

It is an arithmetic number, because the mean of its divisors is an integer number (1093184).

Almost surely, 2^26657225 is an apocalyptic number.

26657225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26657225 is a deficient number, since it is larger than the sum of its proper divisors (12697399).

26657225 is a wasteful number, since it uses less digits than its factorization.

26657225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 522 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 26657225 is about 5163.0635285652. The cubic root of 26657225 is about 298.7250523334.

The spelling of 26657225 in words is "twenty-six million, six hundred fifty-seven thousand, two hundred twenty-five".