2631144253 has 4 divisors (see below), whose sum is σ = 2631247228. Its totient is φ = 2631041280.

The previous prime is 2631144227. The next prime is 2631144287. The reversal of 2631144253 is 3524411362.

2631144253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 461261529 + 2169882724 = 21477^2 + 46582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2631144253 - 2⁵ = 2631144221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631144223) 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, 19075 + ... + 75007.

It is an arithmetic number, because the mean of its divisors is an integer number (657811807).

Almost surely, 2^2631144253 is an apocalyptic number.

It is an amenable number.

2631144253 is a deficient number, since it is larger than the sum of its proper divisors (102975).

2631144253 is an equidigital number, since it uses as much as digits as its factorization.

2631144253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102974.

The product of its digits is 17280, while the sum is 31.

The square root of 2631144253 is about 51294.6805526655. The cubic root of 2631144253 is about 1380.5375370384.

The spelling of 2631144253 in words is "two billion, six hundred thirty-one million, one hundred forty-four thousand, two hundred fifty-three".