542452405 has 16 divisors (see below), whose sum is σ = 751892544. Its totient is φ = 371303680.

The previous prime is 542452397. The next prime is 542452411. The reversal of 542452405 is 504254245.

It is not a de Polignac number, because 542452405 - 2³ = 542452397 is a prime.

It is a super-2 number, since 2×542452405² = 588509223380568050, which contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 289147 + ... + 291016.

It is an arithmetic number, because the mean of its divisors is an integer number (46993284).

Almost surely, 2^542452405 is an apocalyptic number.

542452405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542452405 is a deficient number, since it is larger than the sum of its proper divisors (209440139).

542452405 is a wasteful number, since it uses less digits than its factorization.

542452405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580196.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 542452405 is about 23290.6076563064. The cubic root of 542452405 is about 815.5561737453.

The spelling of 542452405 in words is "five hundred forty-two million, four hundred fifty-two thousand, four hundred five".