1004521255 has 8 divisors (see below), whose sum is σ = 1217361024. Its totient is φ = 795660000.

The previous prime is 1004521253. The next prime is 1004521283. The reversal of 1004521255 is 5521254001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1004521255 - 2¹ = 1004521253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004521253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994071 + ... + 995080.

It is an arithmetic number, because the mean of its divisors is an integer number (152170128).

Almost surely, 2^1004521255 is an apocalyptic number.

1004521255 is a deficient number, since it is larger than the sum of its proper divisors (212839769).

1004521255 is a wasteful number, since it uses less digits than its factorization.

1004521255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989257.

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

The square root of 1004521255 is about 31694.1832991481. The cubic root of 1004521255 is about 1001.5048193827.

Adding to 1004521255 its reverse (5521254001), we get a palindrome (6525775256).

The spelling of 1004521255 in words is "one billion, four million, five hundred twenty-one thousand, two hundred fifty-five".