2131249 has 8 divisors (see below), whose sum is σ = 2341440. Its totient is φ = 1930896.

The previous prime is 2131247. The next prime is 2131253. The reversal of 2131249 is 9421312.

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

It is not a de Polignac number, because 2131249 - 2¹ = 2131247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (292680).

2^2131249 is an apocalyptic number.

It is an amenable number.

2131249 is a deficient number, since it is larger than the sum of its proper divisors (210191).

2131249 is a wasteful number, since it uses less digits than its factorization.

2131249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919.

The product of its digits is 432, while the sum is 22.

The square root of 2131249 is about 1459.8797895717. The cubic root of 2131249 is about 128.6899792504.

The spelling of 2131249 in words is "two million, one hundred thirty-one thousand, two hundred forty-nine".