132402521 has 2 divisors, whose sum is σ = 132402522. Its totient is φ = 132402520.

The previous prime is 132402481. The next prime is 132402527. The reversal of 132402521 is 125204231.

132402521 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116402521 + 16000000 = 10789^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 132402521 - 2¹⁰ = 132401497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 132402493 and 132402502.

It is not a weakly prime, because it can be changed into another prime (132402527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66201260 + 66201261.

It is an arithmetic number, because the mean of its divisors is an integer number (66201261).

Almost surely, 2^132402521 is an apocalyptic number.

It is an amenable number.

132402521 is a deficient number, since it is larger than the sum of its proper divisors (1).

132402521 is an equidigital number, since it uses as much as digits as its factorization.

132402521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 132402521 is about 11506.6294369811. The cubic root of 132402521 is about 509.6813606175.

Adding to 132402521 its reverse (125204231), we get a palindrome (257606752).

The spelling of 132402521 in words is "one hundred thirty-two million, four hundred two thousand, five hundred twenty-one".