542125 has 8 divisors (see below), whose sum is σ = 676728. Its totient is φ = 433600.

The previous prime is 542123. The next prime is 542131. The reversal of 542125 is 521245.

It can be written as a sum of positive squares in 4 ways, for example, as 148996 + 393129 = 386^2 + 627^2 .

It is not a de Polignac number, because 542125 - 2¹ = 542123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542123) 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, 2044 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (84591).

2⁵⁴²¹²⁵ is an apocalyptic number.

It is an amenable number.

542125 is a deficient number, since it is larger than the sum of its proper divisors (134603).

542125 is an equidigital number, since it uses as much as digits as its factorization.

542125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352 (or 4342 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 542125 is about 736.2913825382. The cubic root of 542125 is about 81.5392060479.

The spelling of 542125 in words is "five hundred forty-two thousand, one hundred twenty-five".