542945951 has 2 divisors, whose sum is σ = 542945952. Its totient is φ = 542945950.

The previous prime is 542945941. The next prime is 542945989. The reversal of 542945951 is 159549245.

542945951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542945951 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542945941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271472975 + 271472976.

It is an arithmetic number, because the mean of its divisors is an integer number (271472976).

Almost surely, 2^542945951 is an apocalyptic number.

542945951 is a deficient number, since it is larger than the sum of its proper divisors (1).

542945951 is an equidigital number, since it uses as much as digits as its factorization.

542945951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 44.

The square root of 542945951 is about 23301.2006343021. The cubic root of 542945951 is about 815.8034411986.

The spelling of 542945951 in words is "five hundred forty-two million, nine hundred forty-five thousand, nine hundred fifty-one".