132605257 has 2 divisors, whose sum is σ = 132605258. Its totient is φ = 132605256.

The previous prime is 132605233. The next prime is 132605293. The reversal of 132605257 is 752506231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128232976 + 4372281 = 11324^2 + 2091^2 .

It is a cyclic number.

It is not a de Polignac number, because 132605257 - 2⁷ = 132605129 is a prime.

It is not a weakly prime, because it can be changed into another prime (132605857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66302628 + 66302629.

It is an arithmetic number, because the mean of its divisors is an integer number (66302629).

Almost surely, 2^132605257 is an apocalyptic number.

It is an amenable number.

132605257 is a deficient number, since it is larger than the sum of its proper divisors (1).

132605257 is an equidigital number, since it uses as much as digits as its factorization.

132605257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 132605257 is about 11515.4355974926. The cubic root of 132605257 is about 509.9413709356.

The spelling of 132605257 in words is "one hundred thirty-two million, six hundred five thousand, two hundred fifty-seven".