1065801525 has 12 divisors (see below), whose sum is σ = 1762125312. Its totient is φ = 568427440.

The previous prime is 1065801521. The next prime is 1065801559. The reversal of 1065801525 is 5251085601.

It is not a de Polignac number, because 1065801525 - 2² = 1065801521 is a prime.

It is a super-2 number, since 2×1065801525² = 2271865781384651250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065801521) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7105269 + ... + 7105418.

It is an arithmetic number, because the mean of its divisors is an integer number (146843776).

Almost surely, 2^1065801525 is an apocalyptic number.

1065801525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1065801525 is a deficient number, since it is larger than the sum of its proper divisors (696323787).

1065801525 is a wasteful number, since it uses less digits than its factorization.

1065801525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14210700 (or 14210695 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 1065801525 is about 32646.6158276781. The cubic root of 1065801525 is about 1021.4695992173.

The spelling of 1065801525 in words is "one billion, sixty-five million, eight hundred one thousand, five hundred twenty-five".