1005025312 has 24 divisors (see below), whose sum is σ = 2095035516. Its totient is φ = 472952832.

The previous prime is 1005025297. The next prime is 1005025313. The reversal of 1005025312 is 2135205001.

It can be written as a sum of positive squares in 2 ways, for example, as 993762576 + 11262736 = 31524^2 + 3356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1005025312.

It is not an unprimeable number, because it can be changed into a prime (1005025313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923193 + ... + 924280.

Almost surely, 2^1005025312 is an apocalyptic number.

It is an amenable number.

1005025312 is an abundant number, since it is smaller than the sum of its proper divisors (1090010204).

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

1005025312 is a wasteful number, since it uses less digits than its factorization.

1005025312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847500 (or 1847492 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1005025312 is about 31702.1341868335. The cubic root of 1005025312 is about 1001.6723058343.

The spelling of 1005025312 in words is "one billion, five million, twenty-five thousand, three hundred twelve".