2531644241 has 8 divisors (see below), whose sum is σ = 2952355200. Its totient is φ = 2169980484.

The previous prime is 2531644217. The next prime is 2531644253. The reversal of 2531644241 is 1424461352.

It is a de Polignac number, because none of the positive numbers 2^k-2531644241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2531644198 and 2531644207.

It is not an unprimeable number, because it can be changed into a prime (2531634241) 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, 3690101 + ... + 3690786.

It is an arithmetic number, because the mean of its divisors is an integer number (369044400).

Almost surely, 2^2531644241 is an apocalyptic number.

It is an amenable number.

2531644241 is a deficient number, since it is larger than the sum of its proper divisors (420710959).

2531644241 is an frugal number, since it uses more digits than its factorization.

2531644241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380908 (or 7380894 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2531644241 is about 50315.4473397584. The cubic root of 2531644241 is about 1362.9111948711.

The spelling of 2531644241 in words is "two billion, five hundred thirty-one million, six hundred forty-four thousand, two hundred forty-one".