1004245655 has 16 divisors (see below), whose sum is σ = 1396652544. Its totient is φ = 678924960.

The previous prime is 1004245639. The next prime is 1004245661. The reversal of 1004245655 is 5565424001.

It is not a de Polignac number, because 1004245655 - 2⁴ = 1004245639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199577 + ... + 204546.

It is an arithmetic number, because the mean of its divisors is an integer number (87290784).

Almost surely, 2^1004245655 is an apocalyptic number.

1004245655 is a deficient number, since it is larger than the sum of its proper divisors (392406889).

1004245655 is an equidigital number, since it uses as much as digits as its factorization.

1004245655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404206.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1004245655 is about 31689.8351999502. The cubic root of 1004245655 is about 1001.4132202012.

Adding to 1004245655 its reverse (5565424001), we get a palindrome (6569669656).

The spelling of 1004245655 in words is "one billion, four million, two hundred forty-five thousand, six hundred fifty-five".