132545561 has 2 divisors, whose sum is σ = 132545562. Its totient is φ = 132545560.

The previous prime is 132545557. The next prime is 132545587. The reversal of 132545561 is 165545231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131790400 + 755161 = 11480^2 + 869^2 .

It is a cyclic number.

It is not a de Polignac number, because 132545561 - 2² = 132545557 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132545531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66272780 + 66272781.

It is an arithmetic number, because the mean of its divisors is an integer number (66272781).

Almost surely, 2^132545561 is an apocalyptic number.

It is an amenable number.

132545561 is a deficient number, since it is larger than the sum of its proper divisors (1).

132545561 is an equidigital number, since it uses as much as digits as its factorization.

132545561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 32.

The square root of 132545561 is about 11512.8433064991. The cubic root of 132545561 is about 509.8648379485.

The spelling of 132545561 in words is "one hundred thirty-two million, five hundred forty-five thousand, five hundred sixty-one".