542565131 has 8 divisors (see below), whose sum is σ = 563426304. Its totient is φ = 521913960.

The previous prime is 542565119. The next prime is 542565143. The reversal of 542565131 is 131565245.

It is an interprime number because it is at equal distance from previous prime (542565119) and next prime (542565143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542565131 is a prime.

It is a super-2 number, since 2×542565131² = 588753842754094322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542565631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47225 + ... + 57578.

It is an arithmetic number, because the mean of its divisors is an integer number (70428288).

Almost surely, 2^542565131 is an apocalyptic number.

542565131 is a deficient number, since it is larger than the sum of its proper divisors (20861173).

542565131 is a wasteful number, since it uses less digits than its factorization.

542565131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105001.

The product of its digits is 18000, while the sum is 32.

The square root of 542565131 is about 23293.0275189809. The cubic root of 542565131 is about 815.6126628904.

The spelling of 542565131 in words is "five hundred forty-two million, five hundred sixty-five thousand, one hundred thirty-one".