1025523012 has 24 divisors (see below), whose sum is σ = 2414843200. Its totient is φ = 338704416.

The previous prime is 1025522987. The next prime is 1025523019. The reversal of 1025523012 is 2103255201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025523012.

It is not an unprimeable number, because it can be changed into a prime (1025523019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390712 + ... + 393327.

Almost surely, 2^1025523012 is an apocalyptic number.

1025523012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025523012 is an abundant number, since it is smaller than the sum of its proper divisors (1389320188).

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

1025523012 is a wasteful number, since it uses less digits than its factorization.

1025523012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784155 (or 784153 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1025523012 is about 32023.7882206337. The cubic root of 1025523012 is about 1008.4362993791.

Adding to 1025523012 its reverse (2103255201), we get a palindrome (3128778213).

The spelling of 1025523012 in words is "one billion, twenty-five million, five hundred twenty-three thousand, twelve".