162949253 has 2 divisors, whose sum is σ = 162949254. Its totient is φ = 162949252.

The previous prime is 162949247. The next prime is 162949261. The reversal of 162949253 is 352949261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149866564 + 13082689 = 12242^2 + 3617^2 .

It is a cyclic number.

It is not a de Polignac number, because 162949253 - 2¹⁰ = 162948229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162949253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162949243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81474626 + 81474627.

It is an arithmetic number, because the mean of its divisors is an integer number (81474627).

Almost surely, 2^162949253 is an apocalyptic number.

It is an amenable number.

162949253 is a deficient number, since it is larger than the sum of its proper divisors (1).

162949253 is an equidigital number, since it uses as much as digits as its factorization.

162949253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 162949253 is about 12765.1577741914. The cubic root of 162949253 is about 546.1988624287.

The spelling of 162949253 in words is "one hundred sixty-two million, nine hundred forty-nine thousand, two hundred fifty-three".