2831237 has 2 divisors, whose sum is σ = 2831238. Its totient is φ = 2831236.

The previous prime is 2831221. The next prime is 2831263. The reversal of 2831237 is 7321382.

2831237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2831263) can be obtained adding 2831237 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2825761 + 5476 = 1681^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 2831237 - 2⁴ = 2831221 is a prime.

It is a Chen prime.

It is equal to p₂₀₅₄₉₆ and since 2831237 and 205496 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2830237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415618 + 1415619.

It is an arithmetic number, because the mean of its divisors is an integer number (1415619).

2^2831237 is an apocalyptic number.

It is an amenable number.

2831237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2831237 is an equidigital number, since it uses as much as digits as its factorization.

2831237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 2831237 is about 1682.6280040461. The cubic root of 2831237 is about 141.4681719921.

The spelling of 2831237 in words is "two million, eight hundred thirty-one thousand, two hundred thirty-seven".