162105253 has 2 divisors, whose sum is σ = 162105254. Its totient is φ = 162105252.

The previous prime is 162105239. The next prime is 162105263. The reversal of 162105253 is 352501261.

162105253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97752769 + 64352484 = 9887^2 + 8022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162105253 is a prime.

It is a super-2 number, since 2×162105253² = 52556226100388018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162105233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81052626 + 81052627.

It is an arithmetic number, because the mean of its divisors is an integer number (81052627).

Almost surely, 2^162105253 is an apocalyptic number.

It is an amenable number.

162105253 is a deficient number, since it is larger than the sum of its proper divisors (1).

162105253 is an equidigital number, since it uses as much as digits as its factorization.

162105253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 162105253 is about 12732.0561183180. The cubic root of 162105253 is about 545.2542124102.

The spelling of 162105253 in words is "one hundred sixty-two million, one hundred five thousand, two hundred fifty-three".