2541611631 has 8 divisors (see below), whose sum is σ = 3649493680. Its totient is φ = 1564068672.

The previous prime is 2541611599. The next prime is 2541611647. The reversal of 2541611631 is 1361161452.

It is a happy number.

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

It is not a de Polignac number, because 2541611631 - 2⁵ = 2541611599 is a prime.

It is a super-2 number, since 2×2541611631² = 12919579365668960322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541611671) 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, 32584726 + ... + 32584803.

It is an arithmetic number, because the mean of its divisors is an integer number (456186710).

Almost surely, 2^2541611631 is an apocalyptic number.

2541611631 is a deficient number, since it is larger than the sum of its proper divisors (1107882049).

2541611631 is a wasteful number, since it uses less digits than its factorization.

2541611631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65169545.

The product of its digits is 4320, while the sum is 30.

The square root of 2541611631 is about 50414.3990443207. The cubic root of 2541611631 is about 1364.6975014313.

The spelling of 2541611631 in words is "two billion, five hundred forty-one million, six hundred eleven thousand, six hundred thirty-one".