2512818 has 96 divisors (see below), whose sum is σ = 7113600. Its totient is φ = 635040.

The previous prime is 2512813. The next prime is 2512831. The reversal of 2512818 is 8182152.

It is a super-2 number, since 2×2512818² = 12628508602248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2512791 and 2512800.

It is not an unprimeable number, because it can be changed into a prime (2512813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67896 + ... + 67932.

It is an arithmetic number, because the mean of its divisors is an integer number (74100).

2^2512818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2512818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556800).

2512818 is an abundant number, since it is smaller than the sum of its proper divisors (4600782).

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

2512818 is a wasteful number, since it uses less digits than its factorization.

2512818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 60 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 2512818 is about 1585.1870552083. The cubic root of 2512818 is about 135.9524415602.

The spelling of 2512818 in words is "two million, five hundred twelve thousand, eight hundred eighteen".