2255403 has 8 divisors (see below), whose sum is σ = 3138048. Its totient is φ = 1438184.

The previous prime is 2255399. The next prime is 2255411. The reversal of 2255403 is 3045522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2255403 - 2² = 2255399 is a prime.

2255403 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2255403.

It is not an unprimeable number, because it can be changed into a prime (2255003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16275 + ... + 16412.

It is an arithmetic number, because the mean of its divisors is an integer number (392256).

2^2255403 is an apocalyptic number.

2255403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2255403 is a deficient number, since it is larger than the sum of its proper divisors (882645).

2255403 is a wasteful number, since it uses less digits than its factorization.

2255403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32713.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2255403 is about 1501.7999200959. The cubic root of 2255403 is about 131.1418737598.

The spelling of 2255403 in words is "two million, two hundred fifty-five thousand, four hundred three".