2831245 has 8 divisors (see below), whose sum is σ = 3407616. Its totient is φ = 2258256.

The previous prime is 2831237. The next prime is 2831263. The reversal of 2831245 is 5421382.

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

It is a cyclic number.

It is not a de Polignac number, because 2831245 - 2³ = 2831237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (425952).

2^2831245 is an apocalyptic number.

It is an amenable number.

2831245 is a deficient number, since it is larger than the sum of its proper divisors (576371).

2831245 is a wasteful number, since it uses less digits than its factorization.

2831245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its digits is 1920, while the sum is 25.

The square root of 2831245 is about 1682.6303812781. The cubic root of 2831245 is about 141.4683052370.

The spelling of 2831245 in words is "two million, eight hundred thirty-one thousand, two hundred forty-five".