2506455 has 48 divisors (see below), whose sum is σ = 5079360. Its totient is φ = 1119744.

The previous prime is 2506447. The next prime is 2506459. The reversal of 2506455 is 5546052.

It is not a de Polignac number, because 2506455 - 2³ = 2506447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22941 + ... + 23049.

It is an arithmetic number, because the mean of its divisors is an integer number (105820).

2^2506455 is an apocalyptic number.

2506455 is an abundant number, since it is smaller than the sum of its proper divisors (2572905).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2506455 is a wasteful number, since it uses less digits than its factorization.

2506455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2506455 is about 1583.1787643851. The cubic root of 2506455 is about 135.8375908770.

The spelling of 2506455 in words is "two million, five hundred six thousand, four hundred fifty-five".