131533252 has 6 divisors (see below), whose sum is σ = 230183198. Its totient is φ = 65766624.

The previous prime is 131533211. The next prime is 131533253. The reversal of 131533252 is 252335131.

It can be written as a sum of positive squares in only one way, i.e., 77862976 + 53670276 = 8824^2 + 7326^2 .

It is not an unprimeable number, because it can be changed into a prime (131533253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16441653 + ... + 16441660.

Almost surely, 2^131533252 is an apocalyptic number.

It is an amenable number.

131533252 is a deficient number, since it is larger than the sum of its proper divisors (98649946).

131533252 is a wasteful number, since it uses less digits than its factorization.

131533252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32883317 (or 32883315 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 131533252 is about 11468.7947056349. The cubic root of 131533252 is about 508.5634983373.

Adding to 131533252 its reverse (252335131), we get a palindrome (383868383).

The spelling of 131533252 in words is "one hundred thirty-one million, five hundred thirty-three thousand, two hundred fifty-two".