1000561452 has 48 divisors (see below), whose sum is σ = 2696706432. Its totient is φ = 285364480.

The previous prime is 1000561447. The next prime is 1000561483. The reversal of 1000561452 is 2541650001.

It is a super-2 number, since 2×1000561452² = 2002246438456696608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220698 + ... + 225185.

It is an arithmetic number, because the mean of its divisors is an integer number (56181384).

Almost surely, 2^1000561452 is an apocalyptic number.

1000561452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000561452 is an abundant number, since it is smaller than the sum of its proper divisors (1696144980).

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

1000561452 is a wasteful number, since it uses less digits than its factorization.

1000561452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445918 (or 445916 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1000561452 is about 31631.6526915683. The cubic root of 1000561452 is about 1000.1871156522.

The spelling of 1000561452 in words is "one billion, five hundred sixty-one thousand, four hundred fifty-two".