2490255 has 12 divisors (see below), whose sum is σ = 4316520. Its totient is φ = 1328112.

The previous prime is 2490251. The next prime is 2490263. The reversal of 2490255 is 5520942.

It is not a de Polignac number, because 2490255 - 2² = 2490251 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 4 + 9⁶ + 0 + 2¹¹ + 5⁵ + 5⁹ .

2490255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27625 + ... + 27714.

It is an arithmetic number, because the mean of its divisors is an integer number (359710).

2^2490255 is an apocalyptic number.

2490255 is a deficient number, since it is larger than the sum of its proper divisors (1826265).

2490255 is a wasteful number, since it uses less digits than its factorization.

2490255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55350 (or 55347 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2490255 is about 1578.0541815793. The cubic root of 2490255 is about 135.5443045347.

The spelling of 2490255 in words is "two million, four hundred ninety thousand, two hundred fifty-five".