525306081 has 8 divisors (see below), whose sum is σ = 700565824. Its totient is φ = 350125200.

The previous prime is 525306079. The next prime is 525306097. The reversal of 525306081 is 180603525.

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

It is not a de Polignac number, because 525306081 - 2¹ = 525306079 is a prime.

It is a super-2 number, since 2×525306081² = 551892957471157122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525306011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861 + ... + 32466.

It is an arithmetic number, because the mean of its divisors is an integer number (87570728).

Almost surely, 2^525306081 is an apocalyptic number.

It is an amenable number.

525306081 is a deficient number, since it is larger than the sum of its proper divisors (175259743).

525306081 is a wasteful number, since it uses less digits than its factorization.

525306081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39431.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 525306081 is about 22919.5567365514. The cubic root of 525306081 is about 806.8710671117.

The spelling of 525306081 in words is "five hundred twenty-five million, three hundred six thousand, eighty-one".