2531418 has 16 divisors (see below), whose sum is σ = 5093280. Its totient is φ = 838736.

The previous prime is 2531413. The next prime is 2531423. The reversal of 2531418 is 8141352.

It is an interprime number because it is at equal distance from previous prime (2531413) and next prime (2531423).

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (2531413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 2252.

It is an arithmetic number, because the mean of its divisors is an integer number (318330).

2^2531418 is an apocalyptic number.

2531418 is an abundant number, since it is smaller than the sum of its proper divisors (2561862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531418 is a wasteful number, since it uses less digits than its factorization.

2531418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541.

The product of its digits is 960, while the sum is 24.

The square root of 2531418 is about 1591.0430541000. The cubic root of 2531418 is about 136.2870594699.

The spelling of 2531418 in words is "two million, five hundred thirty-one thousand, four hundred eighteen".