2653506 has 16 divisors (see below), whose sum is σ = 5896800. Its totient is φ = 884484.

The previous prime is 2653499. The next prime is 2653517. The reversal of 2653506 is 6053562.

2653506 is a `hidden beast` number, since 2 + 653 + 5 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2653506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24516 + ... + 24623.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

2^2653506 is an apocalyptic number.

2653506 is an abundant number, since it is smaller than the sum of its proper divisors (3243294).

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

2653506 is a wasteful number, since it uses less digits than its factorization.

2653506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49150 (or 49144 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2653506 is about 1628.9585630089. The cubic root of 2653506 is about 138.4437511339.

It can be divided in two parts, 265350 and 6, that added together give a triangular number (265356 = T₇₂₈).

The spelling of 2653506 in words is "two million, six hundred fifty-three thousand, five hundred six".