2506654 has 4 divisors (see below), whose sum is σ = 3759984. Its totient is φ = 1253326.

The previous prime is 2506649. The next prime is 2506657. The reversal of 2506654 is 4566052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626662 + ... + 626665.

It is an arithmetic number, because the mean of its divisors is an integer number (939996).

2^2506654 is an apocalyptic number.

2506654 is a deficient number, since it is larger than the sum of its proper divisors (1253330).

2506654 is a wasteful number, since it uses less digits than its factorization.

2506654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253329.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2506654 is about 1583.2416113784. The cubic root of 2506654 is about 135.8411857238.

It can be divided in two parts, 2506 and 654, that added together give a triangular number (3160 = T₇₉).

The spelling of 2506654 in words is "two million, five hundred six thousand, six hundred fifty-four".