542525 has 6 divisors (see below), whose sum is σ = 672762. Its totient is φ = 434000.

The previous prime is 542519. The next prime is 542533. The reversal of 542525 is 525245.

542525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 109561 + 432964 = 331^2 + 658^2 .

It is not a de Polignac number, because 542525 - 2⁶ = 542461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542525.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542525.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10826 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (112127).

2⁵⁴²⁵²⁵ is an apocalyptic number.

It is an amenable number.

542525 is a deficient number, since it is larger than the sum of its proper divisors (130237).

542525 is a wasteful number, since it uses less digits than its factorization.

542525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21711 (or 21706 counting only the distinct ones).

The product of its digits is 2000, while the sum is 23.

The square root of 542525 is about 736.5629640431. The cubic root of 542525 is about 81.5592553379.

The spelling of 542525 in words is "five hundred forty-two thousand, five hundred twenty-five".