542312825 has 6 divisors (see below), whose sum is σ = 672467934. Its totient is φ = 433850240.

The previous prime is 542312803. The next prime is 542312831. The reversal of 542312825 is 528213245.

It can be written as a sum of positive squares in 3 ways, for example, as 7639696 + 534673129 = 2764^2 + 23123^2 .

It is not a de Polignac number, because 542312825 - 2⁸ = 542312569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542312791 and 542312800.

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, 10846232 + ... + 10846281.

It is an arithmetic number, because the mean of its divisors is an integer number (112077989).

Almost surely, 2^542312825 is an apocalyptic number.

It is an amenable number.

542312825 is a deficient number, since it is larger than the sum of its proper divisors (130155109).

542312825 is a wasteful number, since it uses less digits than its factorization.

542312825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21692523 (or 21692518 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 542312825 is about 23287.6109766545. The cubic root of 542312825 is about 815.4862167040.

The spelling of 542312825 in words is "five hundred forty-two million, three hundred twelve thousand, eight hundred twenty-five".