2521630212 has 48 divisors (see below), whose sum is σ = 5967101952. Its totient is φ = 828727200.

The previous prime is 2521630193. The next prime is 2521630217. The reversal of 2521630212 is 2120361252.

It is not an unprimeable number, because it can be changed into a prime (2521630217) 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 15 ways as a sum of consecutive naturals, for example, 243337 + ... + 253487.

It is an arithmetic number, because the mean of its divisors is an integer number (124314624).

Almost surely, 2^2521630212 is an apocalyptic number.

It is an amenable number.

2521630212 is an abundant number, since it is smaller than the sum of its proper divisors (3445471740).

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

2521630212 is a wasteful number, since it uses less digits than its factorization.

2521630212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10448 (or 10446 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2521630212 is about 50215.8362670582. The cubic root of 2521630212 is about 1361.1118020693. Note that the first 3 decimals are identical.

Adding to 2521630212 its reverse (2120361252), we get a palindrome (4641991464).

The spelling of 2521630212 in words is "two billion, five hundred twenty-one million, six hundred thirty thousand, two hundred twelve".