1005564452 has 12 divisors (see below), whose sum is σ = 1760330880. Its totient is φ = 502612776.

The previous prime is 1005564451. The next prime is 1005564479. The reversal of 1005564452 is 2544655001.

It is a super-2 number, since 2×1005564452² = 2022319734252120608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005564451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28508 + ... + 53139.

It is an arithmetic number, because the mean of its divisors is an integer number (146694240).

Almost surely, 2^1005564452 is an apocalyptic number.

It is an amenable number.

1005564452 is a deficient number, since it is larger than the sum of its proper divisors (754766428).

1005564452 is a wasteful number, since it uses less digits than its factorization.

1005564452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84730 (or 84728 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1005564452 is about 31710.6362597788. The cubic root of 1005564452 is about 1001.8513875821.

The spelling of 1005564452 in words is "one billion, five million, five hundred sixty-four thousand, four hundred fifty-two".