542525420 has 48 divisors (see below), whose sum is σ = 1245259008. Its totient is φ = 197652480.

The previous prime is 542525393. The next prime is 542525443. The reversal of 542525420 is 24525245.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15197 + ... + 36276.

It is an arithmetic number, because the mean of its divisors is an integer number (25942896).

Almost surely, 2^542525420 is an apocalyptic number.

It is an amenable number.

542525420 is an abundant number, since it is smaller than the sum of its proper divisors (702733588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542525420 is a wasteful number, since it uses less digits than its factorization.

542525420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51530 (or 51528 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 542525420 is about 23292.1750809150. The cubic root of 542525420 is about 815.5927638449.

The spelling of 542525420 in words is "five hundred forty-two million, five hundred twenty-five thousand, four hundred twenty".