162061253 has 4 divisors (see below), whose sum is σ = 162206688. Its totient is φ = 161915820.

The previous prime is 162061231. The next prime is 162061261. The reversal of 162061253 is 352160261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352160261 = 191 ⋅1843771.

It is a cyclic number.

It is not a de Polignac number, because 162061253 - 2⁶ = 162061189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162061213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71033 + ... + 73278.

It is an arithmetic number, because the mean of its divisors is an integer number (40551672).

Almost surely, 2^162061253 is an apocalyptic number.

It is an amenable number.

162061253 is a deficient number, since it is larger than the sum of its proper divisors (145435).

162061253 is a wasteful number, since it uses less digits than its factorization.

162061253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145434.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 162061253 is about 12730.3280790402. The cubic root of 162061253 is about 545.2048754190.

The spelling of 162061253 in words is "one hundred sixty-two million, sixty-one thousand, two hundred fifty-three".