163513037 has 2 divisors, whose sum is σ = 163513038. Its totient is φ = 163513036.

The previous prime is 163513033. The next prime is 163513061. The reversal of 163513037 is 730315361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92717641 + 70795396 = 9629^2 + 8414^2 .

It is a cyclic number.

It is not a de Polignac number, because 163513037 - 2² = 163513033 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163513033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81756518 + 81756519.

It is an arithmetic number, because the mean of its divisors is an integer number (81756519).

Almost surely, 2^163513037 is an apocalyptic number.

It is an amenable number.

163513037 is a deficient number, since it is larger than the sum of its proper divisors (1).

163513037 is an equidigital number, since it uses as much as digits as its factorization.

163513037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 163513037 is about 12787.2216294236. The cubic root of 163513037 is about 546.8280638771.

Adding to 163513037 its reverse (730315361), we get a palindrome (893828398).

The spelling of 163513037 in words is "one hundred sixty-three million, five hundred thirteen thousand, thirty-seven".