1065525749 has 2 divisors, whose sum is σ = 1065525750. Its totient is φ = 1065525748.

The previous prime is 1065525731. The next prime is 1065525763. The reversal of 1065525749 is 9475255601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 929640100 + 135885649 = 30490^2 + 11657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065525749 - 2⁸ = 1065525493 is a prime.

It is a super-2 number, since 2×1065525749² = 2270690243564022002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065525649) by changing a digit.

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 as a sum of consecutive naturals, namely, 532762874 + 532762875.

It is an arithmetic number, because the mean of its divisors is an integer number (532762875).

Almost surely, 2^1065525749 is an apocalyptic number.

It is an amenable number.

1065525749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065525749 is an equidigital number, since it uses as much as digits as its factorization.

1065525749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 1065525749 is about 32642.3919007171. The cubic root of 1065525749 is about 1021.3814899107.

The spelling of 1065525749 in words is "one billion, sixty-five million, five hundred twenty-five thousand, seven hundred forty-nine".