1065525252 has 96 divisors (see below), whose sum is σ = 2882355840. Its totient is φ = 302776320.

The previous prime is 1065525239. The next prime is 1065525271. The reversal of 1065525252 is 2525255601.

It is a super-2 number, since 2×1065525252² = 2270688125299327008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755524 + ... + 756932.

It is an arithmetic number, because the mean of its divisors is an integer number (30024540).

Almost surely, 2^1065525252 is an apocalyptic number.

1065525252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065525252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441177920).

1065525252 is an abundant number, since it is smaller than the sum of its proper divisors (1816830588).

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

1065525252 is a wasteful number, since it uses less digits than its factorization.

1065525252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1065525252 is about 32642.3842879162. The cubic root of 1065525252 is about 1021.3813311076.

The spelling of 1065525252 in words is "one billion, sixty-five million, five hundred twenty-five thousand, two hundred fifty-two".