1004255479 has 2 divisors, whose sum is σ = 1004255480. Its totient is φ = 1004255478.

The previous prime is 1004255437. The next prime is 1004255489. The reversal of 1004255479 is 9745524001.

It is a strong prime.

It is an emirp because it is prime and its reverse (9745524001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004255479 - 2¹⁹ = 1003731191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004255489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502127739 + 502127740.

It is an arithmetic number, because the mean of its divisors is an integer number (502127740).

Almost surely, 2^1004255479 is an apocalyptic number.

1004255479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004255479 is an equidigital number, since it uses as much as digits as its factorization.

1004255479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1004255479 is about 31689.9902019549. The cubic root of 1004255479 is about 1001.4164856211.

The spelling of 1004255479 in words is "one billion, four million, two hundred fifty-five thousand, four hundred seventy-nine".