2531966 has 8 divisors (see below), whose sum is σ = 3814560. Its totient is φ = 1260448.

The previous prime is 2531951. The next prime is 2531981. The reversal of 2531966 is 6691352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2531951) and next prime (2531981).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2³ + 5⁹ + 3¹² + 1 + 9³ + 6 + 6⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2171 + ... + 3126.

It is an arithmetic number, because the mean of its divisors is an integer number (476820).

2^2531966 is an apocalyptic number.

2531966 is a deficient number, since it is larger than the sum of its proper divisors (1282594).

2531966 is a wasteful number, since it uses less digits than its factorization.

2531966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538.

The product of its digits is 9720, while the sum is 32.

The square root of 2531966 is about 1591.2152588509. The cubic root of 2531966 is about 136.2968932100.

The spelling of 2531966 in words is "two million, five hundred thirty-one thousand, nine hundred sixty-six".