162553 has 2 divisors, whose sum is σ = 162554. Its totient is φ = 162552.

The previous prime is 162529. The next prime is 162557. The reversal of 162553 is 355261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162409 + 144 = 403^2 + 12^2 .

It is an emirp because it is prime and its reverse (355261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162553 - 2¹⁷ = 31481 is a prime.

162553 is a lucky number.

It is equal to p₁₄₈₉₀ and since 162553 and 14890 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (162557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81276 + 81277.

It is an arithmetic number, because the mean of its divisors is an integer number (81277).

2¹⁶²⁵⁵³ is an apocalyptic number.

It is an amenable number.

162553 is a deficient number, since it is larger than the sum of its proper divisors (1).

162553 is an equidigital number, since it uses as much as digits as its factorization.

162553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 22.

The square root of 162553 is about 403.1786204649. The cubic root of 162553 is about 54.5755762080.

The spelling of 162553 in words is "one hundred sixty-two thousand, five hundred fifty-three".