163354253 has 2 divisors, whose sum is σ = 163354254. Its totient is φ = 163354252.

The previous prime is 163354237. The next prime is 163354277. The reversal of 163354253 is 352453361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156075049 + 7279204 = 12493^2 + 2698^2 .

It is a cyclic number.

It is not a de Polignac number, because 163354253 - 2⁴ = 163354237 is a prime.

It is a super-2 number, since 2×163354253² = 53369223946376018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163354453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81677126 + 81677127.

It is an arithmetic number, because the mean of its divisors is an integer number (81677127).

Almost surely, 2^163354253 is an apocalyptic number.

It is an amenable number.

163354253 is a deficient number, since it is larger than the sum of its proper divisors (1).

163354253 is an equidigital number, since it uses as much as digits as its factorization.

163354253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 32.

The square root of 163354253 is about 12781.0114232012. The cubic root of 163354253 is about 546.6510022199.

The spelling of 163354253 in words is "one hundred sixty-three million, three hundred fifty-four thousand, two hundred fifty-three".