525345234 has 16 divisors (see below), whose sum is σ = 1050947040. Its totient is φ = 175072320.

The previous prime is 525345221. The next prime is 525345257. The reversal of 525345234 is 432543525.

It is a happy number.

It is a super-2 number, since 2×525345234² = 551975229773029512, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525345195 and 525345204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25197 + ... + 41055.

It is an arithmetic number, because the mean of its divisors is an integer number (65684190).

Almost surely, 2^525345234 is an apocalyptic number.

525345234 is an abundant number, since it is smaller than the sum of its proper divisors (525601806).

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

525345234 is a wasteful number, since it uses less digits than its factorization.

525345234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21385.

The product of its digits is 72000, while the sum is 33.

The square root of 525345234 is about 22920.4108601918. The cubic root of 525345234 is about 806.8911129727.

Adding to 525345234 its reverse (432543525), we get a palindrome (957888759).

The spelling of 525345234 in words is "five hundred twenty-five million, three hundred forty-five thousand, two hundred thirty-four".