1053545 has 4 divisors (see below), whose sum is σ = 1264260. Its totient is φ = 842832.

The previous prime is 1053539. The next prime is 1053551. The reversal of 1053545 is 5453501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1053539) and next prime (1053551).

It can be written as a sum of positive squares in 2 ways, for example, as 162409 + 891136 = 403^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053545 - 2⁴ = 1053529 is a prime.

It is a super-2 number, since 2×1053545² = 2219914134050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105350 + ... + 105359.

It is an arithmetic number, because the mean of its divisors is an integer number (316065).

2^1053545 is an apocalyptic number.

It is an amenable number.

1053545 is a deficient number, since it is larger than the sum of its proper divisors (210715).

1053545 is an equidigital number, since it uses as much as digits as its factorization.

1053545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210714.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1053545 is about 1026.4234019156. The cubic root of 1053545 is about 101.7538921173.

The spelling of 1053545 in words is "one million, fifty-three thousand, five hundred forty-five".