1641013001 has 2 divisors, whose sum is σ = 1641013002. Its totient is φ = 1641013000.

The previous prime is 1641012983. The next prime is 1641013019. The reversal of 1641013001 is 1003101461.

It is a balanced prime because it is at equal distance from previous prime (1641012983) and next prime (1641013019).

It can be written as a sum of positive squares in only one way, i.e., 1627315600 + 13697401 = 40340^2 + 3701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1641013001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1641013021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820506500 + 820506501.

It is an arithmetic number, because the mean of its divisors is an integer number (820506501).

Almost surely, 2^1641013001 is an apocalyptic number.

It is an amenable number.

1641013001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641013001 is an equidigital number, since it uses as much as digits as its factorization.

1641013001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1641013001 is about 40509.4186702303. The cubic root of 1641013001 is about 1179.5164640037.

Adding to 1641013001 its reverse (1003101461), we get a palindrome (2644114462).

The spelling of 1641013001 in words is "one billion, six hundred forty-one million, thirteen thousand, one".