2558312 has 16 divisors (see below), whose sum is σ = 5049600. Its totient is φ = 1211760.

The previous prime is 2558287. The next prime is 2558317. The reversal of 2558312 is 2138552.

It is not an unprimeable number, because it can be changed into a prime (2558317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8264 + ... + 8567.

It is an arithmetic number, because the mean of its divisors is an integer number (315600).

2^2558312 is an apocalyptic number.

It is an amenable number.

2558312 is a deficient number, since it is larger than the sum of its proper divisors (2491288).

2558312 is a wasteful number, since it uses less digits than its factorization.

2558312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16856 (or 16852 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2558312 is about 1599.4724130162. The cubic root of 2558312 is about 136.7680020462.

The spelling of 2558312 in words is "two million, five hundred fifty-eight thousand, three hundred twelve".