162542525 has 24 divisors (see below), whose sum is σ = 214689384. Its totient is φ = 121651200.

The previous prime is 162542521. The next prime is 162542531. The reversal of 162542525 is 525245261.

It can be written as a sum of positive squares in 12 ways, for example, as 129663769 + 32878756 = 11387^2 + 5734^2 .

It is not a de Polignac number, because 162542525 - 2² = 162542521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 162542491 and 162542500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162542521) 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, 75869 + ... + 77981.

It is an arithmetic number, because the mean of its divisors is an integer number (8945391).

Almost surely, 2^162542525 is an apocalyptic number.

It is an amenable number.

162542525 is a deficient number, since it is larger than the sum of its proper divisors (52146859).

162542525 is a wasteful number, since it uses less digits than its factorization.

162542525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2316 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 162542525 is about 12749.2166426020. The cubic root of 162542525 is about 545.7440388992.

Adding to 162542525 its reverse (525245261), we get a palindrome (687787786).

The spelling of 162542525 in words is "one hundred sixty-two million, five hundred forty-two thousand, five hundred twenty-five".