1052405452 has 48 divisors (see below), whose sum is σ = 2161797120. Its totient is φ = 438984000.

The previous prime is 1052405437. The next prime is 1052405513. The reversal of 1052405452 is 2545042501.

It is a super-2 number, since 2×1052405452² = 2215114470798648608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1052405452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153702 + ... + 160402.

It is an arithmetic number, because the mean of its divisors is an integer number (45037440).

Almost surely, 2^1052405452 is an apocalyptic number.

It is an amenable number.

1052405452 is an abundant number, since it is smaller than the sum of its proper divisors (1109391668).

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

1052405452 is a wasteful number, since it uses less digits than its factorization.

1052405452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862 (or 6860 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1052405452 is about 32440.7991886760. The cubic root of 1052405452 is about 1017.1719212640.

Adding to 1052405452 its reverse (2545042501), we get a palindrome (3597447953).

The spelling of 1052405452 in words is "one billion, fifty-two million, four hundred five thousand, four hundred fifty-two".