2521512 has 48 divisors (see below), whose sum is σ = 7806240. Its totient is φ = 720288.

The previous prime is 2521507. The next prime is 2521517. The reversal of 2521512 is 2151252.

2521512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2521507) and next prime (2521517).

It is a super-2 number, since 2×2521512² = 12716045532288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2521517) 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 in 11 ways as a sum of consecutive naturals, for example, 1998 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (162630).

2^2521512 is an apocalyptic number.

It is an amenable number.

2521512 is an abundant number, since it is smaller than the sum of its proper divisors (5284728).

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

2521512 is a wasteful number, since it uses less digits than its factorization.

2521512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022 (or 5015 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 2521512 is about 1587.9269504609. The cubic root of 2521512 is about 136.1090532461.

Adding to 2521512 its reverse (2151252), we get a palindrome (4672764).

It can be divided in two parts, 252 and 1512, that added together give a square (1764 = 42²).

The spelling of 2521512 in words is "two million, five hundred twenty-one thousand, five hundred twelve".