542757252 has 24 divisors (see below), whose sum is σ = 1281694176. Its totient is φ = 178739008.

The previous prime is 542757239. The next prime is 542757277. The reversal of 542757252 is 252757245.

It is a self number, because there is not a number n which added to its sum of digits gives 542757252.

It is an unprimeable number.

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, 271473 + ... + 273464.

It is an arithmetic number, because the mean of its divisors is an integer number (53403924).

Almost surely, 2^542757252 is an apocalyptic number.

It is an amenable number.

542757252 is an abundant number, since it is smaller than the sum of its proper divisors (738936924).

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

542757252 is a wasteful number, since it uses less digits than its factorization.

542757252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545027 (or 545025 counting only the distinct ones).

The product of its digits is 196000, while the sum is 39.

The square root of 542757252 is about 23297.1511563109. The cubic root of 542757252 is about 815.7089203532.

The spelling of 542757252 in words is "five hundred forty-two million, seven hundred fifty-seven thousand, two hundred fifty-two".