1053311521 has 8 divisors (see below), whose sum is σ = 1087781888. Its totient is φ = 1018872000.

The previous prime is 1053311513. The next prime is 1053311537. The reversal of 1053311521 is 1251133501.

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 1053311521 - 2³ = 1053311513 is a prime.

It is a super-2 number, since 2×1053311521² = 2218930320542666882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1053311492 and 1053311501.

It is not an unprimeable number, because it can be changed into a prime (1053311561) 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, 76441 + ... + 89161.

It is an arithmetic number, because the mean of its divisors is an integer number (135972736).

Almost surely, 2^1053311521 is an apocalyptic number.

It is an amenable number.

1053311521 is a deficient number, since it is larger than the sum of its proper divisors (34470367).

1053311521 is a wasteful number, since it uses less digits than its factorization.

1053311521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15423.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1053311521 is about 32454.7611453235. The cubic root of 1053311521 is about 1017.4637490883.

The spelling of 1053311521 in words is "one billion, fifty-three million, three hundred eleven thousand, five hundred twenty-one".