1641137 has 2 divisors, whose sum is σ = 1641138. Its totient is φ = 1641136.

The previous prime is 1641131. The next prime is 1641161. The reversal of 1641137 is 7311461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 274576 = 1169^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641137 - 2²⁰ = 592561 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1641131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820568 + 820569.

It is an arithmetic number, because the mean of its divisors is an integer number (820569).

2^1641137 is an apocalyptic number.

It is an amenable number.

1641137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641137 is an equidigital number, since it uses as much as digits as its factorization.

1641137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 1641137 is about 1281.0686944891. The cubic root of 1641137 is about 117.9546172316.

Adding to 1641137 its reverse (7311461), we get a palindrome (8952598).

The spelling of 1641137 in words is "one million, six hundred forty-one thousand, one hundred thirty-seven".