162553453 has 2 divisors, whose sum is σ = 162553454. Its totient is φ = 162553452.

The previous prime is 162553451. The next prime is 162553477. The reversal of 162553453 is 354355261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153809604 + 8743849 = 12402^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 162553453 - 2¹ = 162553451 is a prime.

Together with 162553451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162553451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81276726 + 81276727.

It is an arithmetic number, because the mean of its divisors is an integer number (81276727).

Almost surely, 2^162553453 is an apocalyptic number.

It is an amenable number.

162553453 is a deficient number, since it is larger than the sum of its proper divisors (1).

162553453 is an equidigital number, since it uses as much as digits as its factorization.

162553453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 34.

The square root of 162553453 is about 12749.6452107500. The cubic root of 162553453 is about 545.7562690468.

The spelling of 162553453 in words is "one hundred sixty-two million, five hundred fifty-three thousand, four hundred fifty-three".