542051131 has 2 divisors, whose sum is σ = 542051132. Its totient is φ = 542051130.

The previous prime is 542051117. The next prime is 542051149. The reversal of 542051131 is 131150245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542051131 - 2⁵ = 542051099 is a prime.

It is a super-2 number, since 2×542051131² = 587638857236758322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542051101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271025565 + 271025566.

It is an arithmetic number, because the mean of its divisors is an integer number (271025566).

Almost surely, 2^542051131 is an apocalyptic number.

542051131 is a deficient number, since it is larger than the sum of its proper divisors (1).

542051131 is an equidigital number, since it uses as much as digits as its factorization.

542051131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 542051131 is about 23281.9915600019. The cubic root of 542051131 is about 815.3550241671.

The spelling of 542051131 in words is "five hundred forty-two million, fifty-one thousand, one hundred thirty-one".