542052505 has 8 divisors (see below), whose sum is σ = 650591424. Its totient is φ = 433556400.

The previous prime is 542052493. The next prime is 542052509. The reversal of 542052505 is 505250245.

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

It is not a de Polignac number, because 542052505 - 2⁵ = 542052473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542052509) 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 7 ways as a sum of consecutive naturals, for example, 34570 + ... + 47740.

It is an arithmetic number, because the mean of its divisors is an integer number (81323928).

Almost surely, 2^542052505 is an apocalyptic number.

It is an amenable number.

542052505 is a deficient number, since it is larger than the sum of its proper divisors (108538919).

542052505 is a wasteful number, since it uses less digits than its factorization.

542052505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21407.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 542052505 is about 23282.0210677682. The cubic root of 542052505 is about 815.3557130916.

The spelling of 542052505 in words is "five hundred forty-two million, fifty-two thousand, five hundred five".