132512251 has 4 divisors (see below), whose sum is σ = 139486600. Its totient is φ = 125537904.

The previous prime is 132512249. The next prime is 132512257. The reversal of 132512251 is 152215231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152215231 = 7 ⋅21745033.

It is a cyclic number.

It is not a de Polignac number, because 132512251 - 2¹ = 132512249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132512257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3487146 + ... + 3487183.

It is an arithmetic number, because the mean of its divisors is an integer number (34871650).

Almost surely, 2^132512251 is an apocalyptic number.

132512251 is a deficient number, since it is larger than the sum of its proper divisors (6974349).

132512251 is an equidigital number, since it uses as much as digits as its factorization.

132512251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974348.

The product of its digits is 600, while the sum is 22.

The square root of 132512251 is about 11511.3965703558. The cubic root of 132512251 is about 509.8221230246.

Adding to 132512251 its reverse (152215231), we get a palindrome (284727482).

The spelling of 132512251 in words is "one hundred thirty-two million, five hundred twelve thousand, two hundred fifty-one".