1025869473 has 12 divisors (see below), whose sum is σ = 1486872660. Its totient is φ = 681577056.

The previous prime is 1025869469. The next prime is 1025869531. The reversal of 1025869473 is 3749685201.

1025869473 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 998117649 + 27751824 = 31593^2 + 5268^2 .

It is not a de Polignac number, because 1025869473 - 2² = 1025869469 is a prime.

1025869473 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (1025869433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191878 + ... + 197151.

It is an arithmetic number, because the mean of its divisors is an integer number (123906055).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1025869473 = 2051738946, but 3⋅1025869473 = 3077608419 is not.

Almost surely, 2^1025869473 is an apocalyptic number.

It is an amenable number.

1025869473 is a deficient number, since it is larger than the sum of its proper divisors (461003187).

1025869473 is a wasteful number, since it uses less digits than its factorization.

1025869473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389328 (or 389325 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1025869473 is about 32029.1971956838. The cubic root of 1025869473 is about 1008.5498494106.

The spelling of 1025869473 in words is "one billion, twenty-five million, eight hundred sixty-nine thousand, four hundred seventy-three".