2521213246 has 32 divisors (see below), whose sum is σ = 4088034720. Its totient is φ = 1162252800.

The previous prime is 2521213243. The next prime is 2521213319. The reversal of 2521213246 is 6423121252.

2521213246 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 (2521213243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710236 + ... + 713776.

It is an arithmetic number, because the mean of its divisors is an integer number (127751085).

Almost surely, 2^2521213246 is an apocalyptic number.

2521213246 is a deficient number, since it is larger than the sum of its proper divisors (1566821474).

2521213246 is a wasteful number, since it uses less digits than its factorization.

2521213246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060.

The product of its digits is 5760, while the sum is 28.

The square root of 2521213246 is about 50211.6843573286. The cubic root of 2521213246 is about 1361.0367753894.

Adding to 2521213246 its reverse (6423121252), we get a palindrome (8944334498).

The spelling of 2521213246 in words is "two billion, five hundred twenty-one million, two hundred thirteen thousand, two hundred forty-six".