1004010061 has 2 divisors, whose sum is σ = 1004010062. Its totient is φ = 1004010060.

The previous prime is 1004010011. The next prime is 1004010067. The reversal of 1004010061 is 1600104001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 566154436 + 437855625 = 23794^2 + 20925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004010061 - 2¹⁹ = 1003485773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004010067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502005030 + 502005031.

It is an arithmetic number, because the mean of its divisors is an integer number (502005031).

Almost surely, 2^1004010061 is an apocalyptic number.

It is an amenable number.

1004010061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004010061 is an equidigital number, since it uses as much as digits as its factorization.

1004010061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1004010061 is about 31686.1177962842. The cubic root of 1004010061 is about 1001.3349042378.

Adding to 1004010061 its reverse (1600104001), we get a palindrome (2604114062).

The spelling of 1004010061 in words is "one billion, four million, ten thousand, sixty-one".