1000452520 has 16 divisors (see below), whose sum is σ = 2251018260. Its totient is φ = 400180992.

The previous prime is 1000452503. The next prime is 1000452529. The reversal of 1000452520 is 252540001.

1000452520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 993888676 + 6563844 = 31526^2 + 2562^2 .

It is not an unprimeable number, because it can be changed into a prime (1000452529) 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, 12505617 + ... + 12505696.

Almost surely, 2^1000452520 is an apocalyptic number.

1000452520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000452520 is an abundant number, since it is smaller than the sum of its proper divisors (1250565740).

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

1000452520 is a wasteful number, since it uses less digits than its factorization.

1000452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25011324 (or 25011320 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1000452520 is about 31629.9307618591. The cubic root of 1000452520 is about 1000.1508172530.

Adding to 1000452520 its reverse (252540001), we get a palindrome (1252992521).

The spelling of 1000452520 in words is "one billion, four hundred fifty-two thousand, five hundred twenty".