541881731 has 2 divisors, whose sum is σ = 541881732. Its totient is φ = 541881730.

The previous prime is 541881689. The next prime is 541881737. The reversal of 541881731 is 137188145.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 541881731 - 2⁶ = 541881667 is a prime.

It is a super-2 number, since 2×541881731² = 587271620783112722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_28441874 and since 541881731 and 28441874 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (541881737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270940865 + 270940866.

It is an arithmetic number, because the mean of its divisors is an integer number (270940866).

Almost surely, 2^541881731 is an apocalyptic number.

541881731 is a deficient number, since it is larger than the sum of its proper divisors (1).

541881731 is an equidigital number, since it uses as much as digits as its factorization.

541881731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 38.

The square root of 541881731 is about 23278.3532707965. The cubic root of 541881731 is about 815.2700779790.

The spelling of 541881731 in words is "five hundred forty-one million, eight hundred eighty-one thousand, seven hundred thirty-one".