1025287512 has 64 divisors (see below), whose sum is σ = 2611841760. Its totient is φ = 335308800.

The previous prime is 1025287457. The next prime is 1025287513. The reversal of 1025287512 is 2157825201.

1025287512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1025287512³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025287513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867562 + ... + 868742.

Almost surely, 2^1025287512 is an apocalyptic number.

1025287512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025287512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305920880).

1025287512 is an abundant number, since it is smaller than the sum of its proper divisors (1586554248).

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

1025287512 is a wasteful number, since it uses less digits than its factorization.

1025287512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1025287512 is about 32020.1110553977. Note that the first 3 decimals coincide. The cubic root of 1025287512 is about 1008.3591013943.

The spelling of 1025287512 in words is "one billion, twenty-five million, two hundred eighty-seven thousand, five hundred twelve".