542345405 has 64 divisors (see below), whose sum is σ = 832204800. Its totient is φ = 330739200.

The previous prime is 542345399. The next prime is 542345411. The reversal of 542345405 is 504543245.

It is an interprime number because it is at equal distance from previous prime (542345399) and next prime (542345411).

It is not a de Polignac number, because 542345405 - 2⁴ = 542345389 is a prime.

It is a super-2 number, since 2×542345405² = 588277076649228050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 902105 + ... + 902705.

It is an arithmetic number, because the mean of its divisors is an integer number (13003200).

Almost surely, 2^542345405 is an apocalyptic number.

It is an amenable number.

542345405 is a deficient number, since it is larger than the sum of its proper divisors (289859395).

542345405 is a wasteful number, since it uses less digits than its factorization.

542345405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 542345405 is about 23288.3104797235. The cubic root of 542345405 is about 815.5025467677.

The spelling of 542345405 in words is "five hundred forty-two million, three hundred forty-five thousand, four hundred five".