162485257 has 4 divisors (see below), whose sum is σ = 177256656. Its totient is φ = 147713860.

The previous prime is 162485249. The next prime is 162485263. The reversal of 162485257 is 752584261.

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.

It is a cyclic number.

It is not a de Polignac number, because 162485257 - 2³ = 162485249 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162485237) 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 in 3 ways as a sum of consecutive naturals, for example, 7385683 + ... + 7385704.

It is an arithmetic number, because the mean of its divisors is an integer number (44314164).

Almost surely, 2^162485257 is an apocalyptic number.

It is an amenable number.

162485257 is a deficient number, since it is larger than the sum of its proper divisors (14771399).

162485257 is a wasteful number, since it uses less digits than its factorization.

162485257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14771398.

The product of its digits is 134400, while the sum is 40.

The square root of 162485257 is about 12746.9705028293. The cubic root of 162485257 is about 545.6799380517.

The spelling of 162485257 in words is "one hundred sixty-two million, four hundred eighty-five thousand, two hundred fifty-seven".