1052203525 has 12 divisors (see below), whose sum is σ = 1381481892. Its totient is φ = 792247040.

The previous prime is 1052203483. The next prime is 1052203567. The reversal of 1052203525 is 5253022501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1052203483) and next prime (1052203567).

It can be written as a sum of positive squares in 6 ways, for example, as 140707044 + 911496481 = 11862^2 + 30191^2 .

It is not a de Polignac number, because 1052203525 - 2¹⁷ = 1052072453 is a prime.

It is a super-2 number, since 2×1052203525² = 2214264516044851250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052203525.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1237462 + ... + 1238311.

It is an arithmetic number, because the mean of its divisors is an integer number (115123491).

Almost surely, 2^1052203525 is an apocalyptic number.

It is an amenable number.

1052203525 is a deficient number, since it is larger than the sum of its proper divisors (329278367).

1052203525 is a wasteful number, since it uses less digits than its factorization.

1052203525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475800 (or 2475795 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1052203525 is about 32437.6868010036. The cubic root of 1052203525 is about 1017.1068615439.

The spelling of 1052203525 in words is "one billion, fifty-two million, two hundred three thousand, five hundred twenty-five".