2531293 has 2 divisors, whose sum is σ = 2531294. Its totient is φ = 2531292.

The previous prime is 2531267. The next prime is 2531369. The reversal of 2531293 is 3921352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2490084 + 41209 = 1578^2 + 203^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531293 - 2⁵ = 2531261 is a prime.

It is equal to p₁₈₅₂₁₈ and since 2531293 and 185218 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 (2531203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265646 + 1265647.

It is an arithmetic number, because the mean of its divisors is an integer number (1265647).

2^2531293 is an apocalyptic number.

It is an amenable number.

2531293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531293 is an equidigital number, since it uses as much as digits as its factorization.

2531293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 2531293 is about 1591.0037712086. The cubic root of 2531293 is about 136.2848161735.

The spelling of 2531293 in words is "two million, five hundred thirty-one thousand, two hundred ninety-three".