2521303412 has 12 divisors (see below), whose sum is σ = 4412911776. Its totient is φ = 1260471480.

The previous prime is 2521303403. The next prime is 2521303417. The reversal of 2521303412 is 2143031252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521303417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10664 + ... + 71807.

It is an arithmetic number, because the mean of its divisors is an integer number (367742648).

Almost surely, 2^2521303412 is an apocalyptic number.

It is an amenable number.

2521303412 is a deficient number, since it is larger than the sum of its proper divisors (1891608364).

2521303412 is a wasteful number, since it uses less digits than its factorization.

2521303412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90118 (or 90116 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2521303412 is about 50212.5822080482. The cubic root of 2521303412 is about 1361.0530000885.

Adding to 2521303412 its reverse (2143031252), we get a palindrome (4664334664).

The spelling of 2521303412 in words is "two billion, five hundred twenty-one million, three hundred three thousand, four hundred twelve".