2603455 has 4 divisors (see below), whose sum is σ = 3124152. Its totient is φ = 2082760.

The previous prime is 2603443. The next prime is 2603467. The reversal of 2603455 is 5543062.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2603443) and next prime (2603467).

It is not a de Polignac number, because 2603455 - 2¹⁹ = 2079167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260341 + ... + 260350.

It is an arithmetic number, because the mean of its divisors is an integer number (781038).

2^2603455 is an apocalyptic number.

2603455 is a deficient number, since it is larger than the sum of its proper divisors (520697).

2603455 is an equidigital number, since it uses as much as digits as its factorization.

2603455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520696.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2603455 is about 1613.5225440012. The cubic root of 2603455 is about 137.5677682471.

The spelling of 2603455 in words is "two million, six hundred three thousand, four hundred fifty-five".