163485013 has 2 divisors, whose sum is σ = 163485014. Its totient is φ = 163485012.

The previous prime is 163484969. The next prime is 163485029. The reversal of 163485013 is 310584361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132549169 + 30935844 = 11513^2 + 5562^2 .

It is an emirp because it is prime and its reverse (310584361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163485013 - 2¹³ = 163476821 is a prime.

It is a super-2 number, since 2×163485013² = 53454698951220338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163485043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81742506 + 81742507.

It is an arithmetic number, because the mean of its divisors is an integer number (81742507).

Almost surely, 2^163485013 is an apocalyptic number.

It is an amenable number.

163485013 is a deficient number, since it is larger than the sum of its proper divisors (1).

163485013 is an equidigital number, since it uses as much as digits as its factorization.

163485013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 163485013 is about 12786.1258010392. The cubic root of 163485013 is about 546.7968223616.

The spelling of 163485013 in words is "one hundred sixty-three million, four hundred eighty-five thousand, thirteen".