2521135263 has 8 divisors (see below), whose sum is σ = 3362342400. Its totient is φ = 1680342488.

The previous prime is 2521135247. The next prime is 2521135301. The reversal of 2521135263 is 3625311252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2521135263 - 2⁴ = 2521135247 is a prime.

It is a super-2 number, since 2×2521135263² = 12712246028684158338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2521135263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521135163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89103 + ... + 113936.

It is an arithmetic number, because the mean of its divisors is an integer number (420292800).

Almost surely, 2^2521135263 is an apocalyptic number.

2521135263 is a deficient number, since it is larger than the sum of its proper divisors (841207137).

2521135263 is a wasteful number, since it uses less digits than its factorization.

2521135263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207181.

The product of its digits is 10800, while the sum is 30.

The square root of 2521135263 is about 50210.9078089612. The cubic root of 2521135263 is about 1361.0227426183.

The spelling of 2521135263 in words is "two billion, five hundred twenty-one million, one hundred thirty-five thousand, two hundred sixty-three".