2541662131 has 8 divisors (see below), whose sum is σ = 2643683328. Its totient is φ = 2440893000.

The previous prime is 2541662077. The next prime is 2541662143. The reversal of 2541662131 is 1312661452.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541662131 is a prime.

It is a super-2 number, since 2×2541662131² = 12920092776318922322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2541662093 and 2541662102.

It is not an unprimeable number, because it can be changed into a prime (2541662171) 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, 308875 + ... + 316996.

It is an arithmetic number, because the mean of its divisors is an integer number (330460416).

Almost surely, 2^2541662131 is an apocalyptic number.

2541662131 is a deficient number, since it is larger than the sum of its proper divisors (102021197).

2541662131 is a wasteful number, since it uses less digits than its factorization.

2541662131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626033.

The product of its digits is 8640, while the sum is 31.

The square root of 2541662131 is about 50414.8998908061. The cubic root of 2541662131 is about 1364.7065398916.

The spelling of 2541662131 in words is "two billion, five hundred forty-one million, six hundred sixty-two thousand, one hundred thirty-one".