2521135346 has 16 divisors (see below), whose sum is σ = 4077833760. Its totient is φ = 1165093920.

The previous prime is 2521135339. The next prime is 2521135367. The reversal of 2521135346 is 6435311252.

It is a happy number.

2521135346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2521135346² = 12712246865701079432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807536 + ... + 810651.

It is an arithmetic number, because the mean of its divisors is an integer number (254864610).

Almost surely, 2^2521135346 is an apocalyptic number.

2521135346 is a deficient number, since it is larger than the sum of its proper divisors (1556698414).

2521135346 is a wasteful number, since it uses less digits than its factorization.

2521135346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618249.

The product of its digits is 21600, while the sum is 32.

The square root of 2521135346 is about 50210.9086354748. The cubic root of 2521135346 is about 1361.0227575540.

Adding to 2521135346 its reverse (6435311252), we get a palindrome (8956446598).

The spelling of 2521135346 in words is "two billion, five hundred twenty-one million, one hundred thirty-five thousand, three hundred forty-six".