272135525 has 12 divisors (see below), whose sum is σ = 337737312. Its totient is φ = 217521840.

The previous prime is 272135497. The next prime is 272135551. The reversal of 272135525 is 525531272.

It is a de Polignac number, because none of the positive numbers 2^k-272135525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272135491 and 272135500.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 30194 + ... + 38156.

It is an arithmetic number, because the mean of its divisors is an integer number (28144776).

Almost surely, 2^272135525 is an apocalyptic number.

272135525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

272135525 is a deficient number, since it is larger than the sum of its proper divisors (65601787).

272135525 is a wasteful number, since it uses less digits than its factorization.

272135525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9340 (or 9335 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 272135525 is about 16496.5306958766. The cubic root of 272135525 is about 648.0299522875.

Adding to 272135525 its reverse (525531272), we get a palindrome (797666797).

The spelling of 272135525 in words is "two hundred seventy-two million, one hundred thirty-five thousand, five hundred twenty-five".