1064525521 has 8 divisors (see below), whose sum is σ = 1120865600. Its totient is φ = 1008216720.

The previous prime is 1064525447. The next prime is 1064525543. The reversal of 1064525521 is 1255254601.

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

It is a cyclic number.

It is not a de Polignac number, because 1064525521 - 2⁹ = 1064525009 is a prime.

It is a super-2 number, since 2×1064525521² = 2266429169720642882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064525221) 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, 101020 + ... + 111058.

It is an arithmetic number, because the mean of its divisors is an integer number (140108200).

Almost surely, 2^1064525521 is an apocalyptic number.

It is an amenable number.

1064525521 is a deficient number, since it is larger than the sum of its proper divisors (56340079).

1064525521 is a wasteful number, since it uses less digits than its factorization.

1064525521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15639.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1064525521 is about 32627.0673061494. The cubic root of 1064525521 is about 1021.0617935224.

The spelling of 1064525521 in words is "one billion, sixty-four million, five hundred twenty-five thousand, five hundred twenty-one".