542520246 has 16 divisors (see below), whose sum is σ = 1090185408. Its totient is φ = 179982600.

The previous prime is 542520227. The next prime is 542520247. The reversal of 542520246 is 642025245.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542520247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213000 + ... + 215531.

It is an arithmetic number, because the mean of its divisors is an integer number (68136588).

Almost surely, 2^542520246 is an apocalyptic number.

542520246 is an abundant number, since it is smaller than the sum of its proper divisors (547665162).

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

542520246 is a wasteful number, since it uses less digits than its factorization.

542520246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428747.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 542520246 is about 23292.0640133072. The cubic root of 542520246 is about 815.5901710998.

The spelling of 542520246 in words is "five hundred forty-two million, five hundred twenty thousand, two hundred forty-six".