2531642241 has 8 divisors (see below), whose sum is σ = 3375823360. Its totient is φ = 1687611312.

The previous prime is 2531642237. The next prime is 2531642273. The reversal of 2531642241 is 1422461352.

2531642241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2531642241 - 2² = 2531642237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2531642199 and 2531642208.

It is not an unprimeable number, because it can be changed into a prime (2531642221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10611 + ... + 71943.

It is an arithmetic number, because the mean of its divisors is an integer number (421977920).

Almost surely, 2^2531642241 is an apocalyptic number.

It is an amenable number.

2531642241 is a deficient number, since it is larger than the sum of its proper divisors (844181119).

2531642241 is a wasteful number, since it uses less digits than its factorization.

2531642241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75095.

The product of its digits is 11520, while the sum is 30.

The square root of 2531642241 is about 50315.4274651423. The cubic root of 2531642241 is about 1362.9108359709.

The spelling of 2531642241 in words is "two billion, five hundred thirty-one million, six hundred forty-two thousand, two hundred forty-one".