2521131163 has 4 divisors (see below), whose sum is σ = 2526822648. Its totient is φ = 2515439680.

The previous prime is 2521131149. The next prime is 2521131167. The reversal of 2521131163 is 3611311252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2521131163 is a prime.

It is a super-2 number, since 2×2521131163² = 12712204682099465138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521131167) 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, 2845078 + ... + 2845963.

It is an arithmetic number, because the mean of its divisors is an integer number (631705662).

Almost surely, 2^2521131163 is an apocalyptic number.

2521131163 is a deficient number, since it is larger than the sum of its proper divisors (5691485).

2521131163 is an equidigital number, since it uses as much as digits as its factorization.

2521131163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691484.

The product of its digits is 1080, while the sum is 25.

The square root of 2521131163 is about 50210.8669811626. The cubic root of 2521131163 is about 1361.0220048294.

The spelling of 2521131163 in words is "two billion, five hundred twenty-one million, one hundred thirty-one thousand, one hundred sixty-three".