1075782825 has 36 divisors (see below), whose sum is σ = 2075071180. Its totient is φ = 529614720.

The previous prime is 1075782821. The next prime is 1075782839. The reversal of 1075782825 is 5282875701.

It can be written as a sum of positive squares in 6 ways, for example, as 205209 + 1075577616 = 453^2 + 32796^2 .

It is not a de Polignac number, because 1075782825 - 2² = 1075782821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1075782821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 180970 + ... + 186819.

Almost surely, 2^1075782825 is an apocalyptic number.

1075782825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1075782825 is a deficient number, since it is larger than the sum of its proper divisors (999288355).

1075782825 is a wasteful number, since it uses less digits than its factorization.

1075782825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367818 (or 367810 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 1075782825 is about 32799.1284182979. The cubic root of 1075782825 is about 1024.6484060812.

The spelling of 1075782825 in words is "one billion, seventy-five million, seven hundred eighty-two thousand, eight hundred twenty-five".