1053522 has 24 divisors (see below), whose sum is σ = 2308176. Its totient is φ = 347256.

The previous prime is 1053511. The next prime is 1053529. The reversal of 1053522 is 2253501.

It is a happy number.

It is a super-2 number, since 2×1053522² = 2219817208968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1053495 and 1053504.

It is not an unprimeable number, because it can be changed into a prime (1053529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1653 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (96174).

2^1053522 is an apocalyptic number.

1053522 is an abundant number, since it is smaller than the sum of its proper divisors (1254654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053522 is a wasteful number, since it uses less digits than its factorization.

1053522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1053522 is about 1026.4121979010. The cubic root of 1053522 is about 101.7531516469.

The spelling of 1053522 in words is "one million, fifty-three thousand, five hundred twenty-two".