542305525 has 12 divisors (see below), whose sum is σ = 712015812. Its totient is φ = 408323840.

The previous prime is 542305513. The next prime is 542305529. The reversal of 542305525 is 525503245.

It is a happy number.

542305525 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 6 ways, for example, as 44435556 + 497869969 = 6666^2 + 22313^2 .

It is not a de Polignac number, because 542305525 - 2⁵ = 542305493 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 (542305529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637582 + ... + 638431.

It is an arithmetic number, because the mean of its divisors is an integer number (59334651).

Almost surely, 2^542305525 is an apocalyptic number.

It is an amenable number.

542305525 is a deficient number, since it is larger than the sum of its proper divisors (169710287).

542305525 is a wasteful number, since it uses less digits than its factorization.

542305525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276040 (or 1276035 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 542305525 is about 23287.4542404274. The cubic root of 542305525 is about 815.4825576375.

The spelling of 542305525 in words is "five hundred forty-two million, three hundred five thousand, five hundred twenty-five".