525131330 has 8 divisors (see below), whose sum is σ = 945236412. Its totient is φ = 210052528.

The previous prime is 525131323. The next prime is 525131357. The reversal of 525131330 is 33131525.

It can be written as a sum of positive squares in 2 ways, for example, as 523174129 + 1957201 = 22873^2 + 1399^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 525131296 and 525131305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26256557 + ... + 26256576.

Almost surely, 2^525131330 is an apocalyptic number.

525131330 is a deficient number, since it is larger than the sum of its proper divisors (420105082).

525131330 is a wasteful number, since it uses less digits than its factorization.

525131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52513140.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 525131330 is about 22915.7441511289. The cubic root of 525131330 is about 806.7815845736.

Adding to 525131330 its reverse (33131525), we get a palindrome (558262855).

The spelling of 525131330 in words is "five hundred twenty-five million, one hundred thirty-one thousand, three hundred thirty".