342534530 has 128 divisors (see below), whose sum is σ = 744629760. Its totient is φ = 112250880.

The previous prime is 342534523. The next prime is 342534539. The reversal of 342534530 is 35435243.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 342534493 and 342534502.

It is not an unprimeable number, because it can be changed into a prime (342534539) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4824395 + ... + 4824465.

It is an arithmetic number, because the mean of its divisors is an integer number (5817420).

Almost surely, 2^342534530 is an apocalyptic number.

342534530 is an abundant number, since it is smaller than the sum of its proper divisors (402095230).

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

342534530 is a wasteful number, since it uses less digits than its factorization.

342534530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 342534530 is about 18507.6884023910. The cubic root of 342534530 is about 699.6832103979.

Adding to 342534530 its reverse (35435243), we get a palindrome (377969773).

It can be divided in two parts, 34253 and 4530, that added together give a palindrome (38783).

The spelling of 342534530 in words is "three hundred forty-two million, five hundred thirty-four thousand, five hundred thirty".