2506711 has 4 divisors (see below), whose sum is σ = 2531152. Its totient is φ = 2482272.

The previous prime is 2506697. The next prime is 2506717. The reversal of 2506711 is 1176052.

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

It is a cyclic number.

It is not a de Polignac number, because 2506711 - 2⁷ = 2506583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12066 + ... + 12271.

It is an arithmetic number, because the mean of its divisors is an integer number (632788).

2^2506711 is an apocalyptic number.

2506711 is a deficient number, since it is larger than the sum of its proper divisors (24441).

2506711 is a wasteful number, since it uses less digits than its factorization.

2506711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24440.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 2506711 is about 1583.2596123188. The cubic root of 2506711 is about 135.8422153684.

The spelling of 2506711 in words is "two million, five hundred six thousand, seven hundred eleven".