1053520521 has 8 divisors (see below), whose sum is σ = 1405033440. Its totient is φ = 702177312.

The previous prime is 1053520519. The next prime is 1053520553. The reversal of 1053520521 is 1250253501.

It is a happy number.

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

It is not a de Polignac number, because 1053520521 - 2¹ = 1053520519 is a prime.

It is a super-2 number, since 2×1053520521² = 2219810976336222882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053520491 and 1053520500.

It is not an unprimeable number, because it can be changed into a prime (1053520561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27156 + ... + 53333.

It is an arithmetic number, because the mean of its divisors is an integer number (175629180).

Almost surely, 2^1053520521 is an apocalyptic number.

It is an amenable number.

1053520521 is a deficient number, since it is larger than the sum of its proper divisors (351512919).

1053520521 is an equidigital number, since it uses as much as digits as its factorization.

1053520521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84855.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1053520521 is about 32457.9808521726. The cubic root of 1053520521 is about 1017.5310403110.

The spelling of 1053520521 in words is "one billion, fifty-three million, five hundred twenty thousand, five hundred twenty-one".