162305253 has 24 divisors (see below), whose sum is σ = 257493600. Its totient is φ = 97697760.

The previous prime is 162305249. The next prime is 162305261. The reversal of 162305253 is 352503261.

162305253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162305253 - 2² = 162305249 is a prime.

It is a super-3 number, since 3×162305253³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162300253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9250 + ... + 20252.

It is an arithmetic number, because the mean of its divisors is an integer number (10728900).

Almost surely, 2^162305253 is an apocalyptic number.

It is an amenable number.

162305253 is a deficient number, since it is larger than the sum of its proper divisors (95188347).

162305253 is a wasteful number, since it uses less digits than its factorization.

162305253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11169 (or 11166 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 162305253 is about 12739.9078882070. The cubic root of 162305253 is about 545.4783590134.

The spelling of 162305253 in words is "one hundred sixty-two million, three hundred five thousand, two hundred fifty-three".