1065750025 has 12 divisors (see below), whose sum is σ = 1325327500. Its totient is φ = 850150080.

The previous prime is 1065749999. The next prime is 1065750061. The reversal of 1065750025 is 5200575601.

It can be written as a sum of positive squares in 6 ways, for example, as 3250809 + 1062499216 = 1803^2 + 32596^2 .

It is not a de Polignac number, because 1065750025 - 2⁷ = 1065749897 is a prime.

It is a super-2 number, since 2×1065750025² = 2271646231575001250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52350 + ... + 69799.

Almost surely, 2^1065750025 is an apocalyptic number.

It is an amenable number.

1065750025 is a deficient number, since it is larger than the sum of its proper divisors (259577475).

1065750025 is a wasteful number, since it uses less digits than its factorization.

1065750025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122508 (or 122503 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 1065750025 is about 32645.8270687082. The cubic root of 1065750025 is about 1021.4531463317.

The spelling of 1065750025 in words is "one billion, sixty-five million, seven hundred fifty thousand, twenty-five".