2523621012 has 72 divisors (see below), whose sum is σ = 6630447936. Its totient is φ = 746064000.

The previous prime is 2523621011. The next prime is 2523621029. The reversal of 2523621012 is 2101263252.

2523621012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523621011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38337 + ... + 80727.

Almost surely, 2^2523621012 is an apocalyptic number.

2523621012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2523621012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3315223968).

2523621012 is an abundant number, since it is smaller than the sum of its proper divisors (4106826924).

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

2523621012 is a wasteful number, since it uses less digits than its factorization.

2523621012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42461 (or 42448 counting only the distinct ones).

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

The square root of 2523621012 is about 50235.6547882079. The cubic root of 2523621012 is about 1361.4699022356.

Adding to 2523621012 its reverse (2101263252), we get a palindrome (4624884264).

The spelling of 2523621012 in words is "two billion, five hundred twenty-three million, six hundred twenty-one thousand, twelve".