2531716 has 24 divisors (see below), whose sum is σ = 4876704. Its totient is φ = 1140480.

The previous prime is 2531701. The next prime is 2531717. The reversal of 2531716 is 6171352.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2531717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6996 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (203196).

2^2531716 is an apocalyptic number.

It is an amenable number.

2531716 is a deficient number, since it is larger than the sum of its proper divisors (2344988).

2531716 is a wasteful number, since it uses less digits than its factorization.

2531716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 529 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 2531716 is about 1591.1367006012. The cubic root of 2531716 is about 136.2924071907.

The spelling of 2531716 in words is "two million, five hundred thirty-one thousand, seven hundred sixteen".