1025215504 has 40 divisors (see below), whose sum is σ = 2034548600. Its totient is φ = 500318208.

The previous prime is 1025215483. The next prime is 1025215531. The reversal of 1025215504 is 4055125201.

It can be written as a sum of positive squares in 4 ways, for example, as 309760000 + 715455504 = 17600^2 + 26748^2 .

It is an unprimeable number.

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, 108772 + ... + 117820.

It is an arithmetic number, because the mean of its divisors is an integer number (50863715).

Almost surely, 2^1025215504 is an apocalyptic number.

It is an amenable number.

1025215504 is a deficient number, since it is larger than the sum of its proper divisors (1009333096).

1025215504 is an equidigital number, since it uses as much as digits as its factorization.

1025215504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227 (or 9221 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1025215504 is about 32018.9866173182. The cubic root of 1025215504 is about 1008.3354944804.

The spelling of 1025215504 in words is "one billion, twenty-five million, two hundred fifteen thousand, five hundred four".