542540522 has 8 divisors (see below), whose sum is σ = 814179072. Its totient is φ = 271147500.

The previous prime is 542540521. The next prime is 542540543. The reversal of 542540522 is 225045245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (542540521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55754 + ... + 64757.

It is an arithmetic number, because the mean of its divisors is an integer number (101772384).

Almost surely, 2^542540522 is an apocalyptic number.

542540522 is a deficient number, since it is larger than the sum of its proper divisors (271638550).

542540522 is a wasteful number, since it uses less digits than its factorization.

542540522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122764.

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

The square root of 542540522 is about 23292.4992647848. The cubic root of 542540522 is about 815.6003315195.

Adding to 542540522 its reverse (225045245), we get a palindrome (767585767).

The spelling of 542540522 in words is "five hundred forty-two million, five hundred forty thousand, five hundred twenty-two".