542951 has 2 divisors, whose sum is σ = 542952. Its totient is φ = 542950.

The previous prime is 542947. The next prime is 542981. The reversal of 542951 is 159245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542951 - 2² = 542947 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 542951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271475 + 271476.

It is an arithmetic number, because the mean of its divisors is an integer number (271476).

2⁵⁴²⁹⁵¹ is an apocalyptic number.

542951 is a deficient number, since it is larger than the sum of its proper divisors (1).

542951 is an equidigital number, since it uses as much as digits as its factorization.

542951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 542951 is about 736.8520882782. The cubic root of 542951 is about 81.5805969982.

The spelling of 542951 in words is "five hundred forty-two thousand, nine hundred fifty-one".