164541525 has 12 divisors (see below), whose sum is σ = 272042112. Its totient is φ = 87755440.

The previous prime is 164541523. The next prime is 164541527. The reversal of 164541525 is 525145461.

It is an interprime number because it is at equal distance from previous prime (164541523) and next prime (164541527).

It is not a de Polignac number, because 164541525 - 2¹ = 164541523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164541523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096869 + ... + 1097018.

It is an arithmetic number, because the mean of its divisors is an integer number (22670176).

Almost surely, 2^164541525 is an apocalyptic number.

164541525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164541525 is a deficient number, since it is larger than the sum of its proper divisors (107500587).

164541525 is a wasteful number, since it uses less digits than its factorization.

164541525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193900 (or 2193895 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 164541525 is about 12827.3740492745. The cubic root of 164541525 is about 547.9721745599.

Adding to 164541525 its reverse (525145461), we get a palindrome (689686986).

The spelling of 164541525 in words is "one hundred sixty-four million, five hundred forty-one thousand, five hundred twenty-five".