132513247 has 2 divisors, whose sum is σ = 132513248. Its totient is φ = 132513246.

The previous prime is 132513223. The next prime is 132513253. The reversal of 132513247 is 742315231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132513247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132513217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66256623 + 66256624.

It is an arithmetic number, because the mean of its divisors is an integer number (66256624).

Almost surely, 2^132513247 is an apocalyptic number.

132513247 is a deficient number, since it is larger than the sum of its proper divisors (1).

132513247 is an equidigital number, since it uses as much as digits as its factorization.

132513247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 132513247 is about 11511.4398317500. The cubic root of 132513247 is about 509.8234003444.

Adding to 132513247 its reverse (742315231), we get a palindrome (874828478).

The spelling of 132513247 in words is "one hundred thirty-two million, five hundred thirteen thousand, two hundred forty-seven".