132503381 has 2 divisors, whose sum is σ = 132503382. Its totient is φ = 132503380.

The previous prime is 132503369. The next prime is 132503383. The reversal of 132503381 is 183305231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91107025 + 41396356 = 9545^2 + 6434^2 .

It is a cyclic number.

It is not a de Polignac number, because 132503381 - 2⁶ = 132503317 is a prime.

It is a super-2 number, since 2×132503381² = 35114291952862322, which contains 22 as substring.

Together with 132503383, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132503381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132503383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66251690 + 66251691.

It is an arithmetic number, because the mean of its divisors is an integer number (66251691).

Almost surely, 2^132503381 is an apocalyptic number.

It is an amenable number.

132503381 is a deficient number, since it is larger than the sum of its proper divisors (1).

132503381 is an equidigital number, since it uses as much as digits as its factorization.

132503381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 132503381 is about 11511.0112935398. The cubic root of 132503381 is about 509.8107474144.

The spelling of 132503381 in words is "one hundred thirty-two million, five hundred three thousand, three hundred eighty-one".