1005452 has 24 divisors (see below), whose sum is σ = 2032800. Its totient is φ = 426240.

The previous prime is 1005439. The next prime is 1005457. The reversal of 1005452 is 2545001.

It is a self number, because there is not a number n which added to its sum of digits gives 1005452.

It is not an unprimeable number, because it can be changed into a prime (1005457) 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, 4052 + ... + 4292.

It is an arithmetic number, because the mean of its divisors is an integer number (84700).

2^1005452 is an apocalyptic number.

It is an amenable number.

1005452 is an abundant number, since it is smaller than the sum of its proper divisors (1027348).

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

1005452 is a wasteful number, since it uses less digits than its factorization.

1005452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1005452 is about 1002.7222945562. The cubic root of 1005452 is about 100.1814040600.

The spelling of 1005452 in words is "one million, five thousand, four hundred fifty-two".