2255397 has 4 divisors (see below), whose sum is σ = 3007200. Its totient is φ = 1503596.

The previous prime is 2255387. The next prime is 2255399. The reversal of 2255397 is 7935522.

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.

It is a cyclic number.

It is not a de Polignac number, because 2255397 - 2⁴ = 2255381 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 2²¹ + 5⁶ + 5⁶ + 3¹⁰ + 9 + 7⁴ .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255399) 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, 375897 + ... + 375902.

It is an arithmetic number, because the mean of its divisors is an integer number (751800).

2^2255397 is an apocalyptic number.

It is an amenable number.

2255397 is a deficient number, since it is larger than the sum of its proper divisors (751803).

2255397 is an equidigital number, since it uses as much as digits as its factorization.

2255397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751802.

The product of its digits is 18900, while the sum is 33.

The square root of 2255397 is about 1501.7979224916. The cubic root of 2255397 is about 131.1417574684.

The spelling of 2255397 in words is "two million, two hundred fifty-five thousand, three hundred ninety-seven".