163541537 has 2 divisors, whose sum is σ = 163541538. Its totient is φ = 163541536.

The previous prime is 163541533. The next prime is 163541551. The reversal of 163541537 is 735145361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113188321 + 50353216 = 10639^2 + 7096^2 .

It is a cyclic number.

It is not a de Polignac number, because 163541537 - 2² = 163541533 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 163541497 and 163541506.

It is not a weakly prime, because it can be changed into another prime (163541533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81770768 + 81770769.

It is an arithmetic number, because the mean of its divisors is an integer number (81770769).

Almost surely, 2^163541537 is an apocalyptic number.

It is an amenable number.

163541537 is a deficient number, since it is larger than the sum of its proper divisors (1).

163541537 is an equidigital number, since it uses as much as digits as its factorization.

163541537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 163541537 is about 12788.3359746294. The cubic root of 163541537 is about 546.8598323826.

Adding to 163541537 its reverse (735145361), we get a palindrome (898686898).

The spelling of 163541537 in words is "one hundred sixty-three million, five hundred forty-one thousand, five hundred thirty-seven".