542326530 has 32 divisors (see below), whose sum is σ = 1303034688. Its totient is φ = 144459200.

The previous prime is 542326517. The next prime is 542326531. The reversal of 542326530 is 35623245.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (542326531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18625 + ... + 37835.

It is an arithmetic number, because the mean of its divisors is an integer number (40719834).

Almost surely, 2^542326530 is an apocalyptic number.

542326530 is an abundant number, since it is smaller than the sum of its proper divisors (760708158).

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

542326530 is a wasteful number, since it uses less digits than its factorization.

542326530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20162.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 542326530 is about 23287.9052299686. The cubic root of 542326530 is about 815.4930861368.

Adding to 542326530 its reverse (35623245), we get a palindrome (577949775).

The spelling of 542326530 in words is "five hundred forty-two million, three hundred twenty-six thousand, five hundred thirty".