1004351013 has 6 divisors (see below), whose sum is σ = 1450729254. Its totient is φ = 669567336.

The previous prime is 1004351003. The next prime is 1004351017. The reversal of 1004351013 is 3101534001.

1004351013 is a `hidden beast` number, since 100 + 43 + 510 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 931043169 + 73307844 = 30513^2 + 8562^2 .

It is not a de Polignac number, because 1004351013 - 2¹³ = 1004342821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004351017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55797270 + ... + 55797287.

It is an arithmetic number, because the mean of its divisors is an integer number (241788209).

Almost surely, 2^1004351013 is an apocalyptic number.

It is an amenable number.

1004351013 is a deficient number, since it is larger than the sum of its proper divisors (446378241).

1004351013 is a wasteful number, since it uses less digits than its factorization.

1004351013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111594563 (or 111594560 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1004351013 is about 31691.4974874965. The cubic root of 1004351013 is about 1001.4482392572.

Adding to 1004351013 its reverse (3101534001), we get a palindrome (4105885014).

The spelling of 1004351013 in words is "one billion, four million, three hundred fifty-one thousand, thirteen".