525066521 has 8 divisors (see below), whose sum is σ = 603758784. Its totient is φ = 447294960.

The previous prime is 525066497. The next prime is 525066551. The reversal of 525066521 is 125660525.

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

It is not a de Polignac number, because 525066521 - 2¹⁴ = 525050137 is a prime.

It is a super-3 number, since 3×525066521³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525066551) 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, 228950 + ... + 231231.

It is an arithmetic number, because the mean of its divisors is an integer number (75469848).

Almost surely, 2^525066521 is an apocalyptic number.

It is an amenable number.

525066521 is a deficient number, since it is larger than the sum of its proper divisors (78692263).

525066521 is a wasteful number, since it uses less digits than its factorization.

525066521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460351.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 525066521 is about 22914.3300360277. The cubic root of 525066521 is about 806.7483936009.

The spelling of 525066521 in words is "five hundred twenty-five million, sixty-six thousand, five hundred twenty-one".