2521403112 has 32 divisors (see below), whose sum is σ = 6351634080. Its totient is φ = 834050880.

The previous prime is 2521403111. The next prime is 2521403123. The reversal of 2521403112 is 2113041252.

It is not an unprimeable number, because it can be changed into a prime (2521403111) 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, 397843 + ... + 404130.

It is an arithmetic number, because the mean of its divisors is an integer number (198488565).

Almost surely, 2^2521403112 is an apocalyptic number.

It is an amenable number.

2521403112 is an abundant number, since it is smaller than the sum of its proper divisors (3830230968).

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

2521403112 is a wasteful number, since it uses less digits than its factorization.

2521403112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802113 (or 802109 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2521403112 is about 50213.5749772908. The cubic root of 2521403112 is about 1361.0709399095.

Adding to 2521403112 its reverse (2113041252), we get a palindrome (4634444364).

The spelling of 2521403112 in words is "two billion, five hundred twenty-one million, four hundred three thousand, one hundred twelve".