2500455 has 16 divisors (see below), whose sum is σ = 4047840. Its totient is φ = 1317888.

The previous prime is 2500441. The next prime is 2500523. The reversal of 2500455 is 5540052.

It is not a de Polignac number, because 2500455 - 2⁴ = 2500439 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (252990).

2^2500455 is an apocalyptic number.

2500455 is a deficient number, since it is larger than the sum of its proper divisors (1547385).

2500455 is a wasteful number, since it uses less digits than its factorization.

2500455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2500455 is about 1581.2827071716. The cubic root of 2500455 is about 135.7291140637.

The spelling of 2500455 in words is "two million, five hundred thousand, four hundred fifty-five".