542425261 has 32 divisors (see below), whose sum is σ = 668344320. Its totient is φ = 430189056.

The previous prime is 542425231. The next prime is 542425277. The reversal of 542425261 is 162524245.

It is not a de Polignac number, because 542425261 - 2⁷ = 542425133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542425211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733630 + ... + 734368.

It is an arithmetic number, because the mean of its divisors is an integer number (20885760).

Almost surely, 2^542425261 is an apocalyptic number.

It is an amenable number.

542425261 is a deficient number, since it is larger than the sum of its proper divisors (125919059).

542425261 is a wasteful number, since it uses less digits than its factorization.

542425261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its digits is 19200, while the sum is 31.

The square root of 542425261 is about 23290.0249248471. The cubic root of 542425261 is about 815.5425702010.

The spelling of 542425261 in words is "five hundred forty-two million, four hundred twenty-five thousand, two hundred sixty-one".