525721314 has 8 divisors (see below), whose sum is σ = 1051442640. Its totient is φ = 175240436.

The previous prime is 525721307. The next prime is 525721333. The reversal of 525721314 is 413127525.

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

525721314 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43810104 + ... + 43810115.

It is an arithmetic number, because the mean of its divisors is an integer number (131430330).

Almost surely, 2^525721314 is an apocalyptic number.

525721314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

525721314 is a wasteful number, since it uses less digits than its factorization.

525721314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87620224.

The product of its digits is 8400, while the sum is 30.

The square root of 525721314 is about 22928.6134338734. The cubic root of 525721314 is about 807.0836106593.

Adding to 525721314 its reverse (413127525), we get a palindrome (938848839).

The spelling of 525721314 in words is "five hundred twenty-five million, seven hundred twenty-one thousand, three hundred fourteen".