1009025648 has 10 divisors (see below), whose sum is σ = 1954987224. Its totient is φ = 504512816.

The previous prime is 1009025629. The next prime is 1009025671. The reversal of 1009025648 is 8465209001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31532036 + ... + 31532067.

Almost surely, 2^1009025648 is an apocalyptic number.

It is an amenable number.

1009025648 is a deficient number, since it is larger than the sum of its proper divisors (945961576).

1009025648 is an equidigital number, since it uses as much as digits as its factorization.

1009025648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63064111 (or 63064105 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1009025648 is about 31765.1640637979. The cubic root of 1009025648 is about 1002.9995430788. Note that the first 3 decimals are identical.

The spelling of 1009025648 in words is "one billion, nine million, twenty-five thousand, six hundred forty-eight".