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132553381 is a prime number
BaseRepresentation
bin1111110011010…
…01101010100101
3100020102102001111
413321221222211
5232413202011
621053025021
73166454002
oct771515245
9306372044
10132553381
1168906354
1238485171
1321600a6c
14138668a9
15b985121
hex7e69aa5

132553381 has 2 divisors, whose sum is σ = 132553382. Its totient is φ = 132553380.

The previous prime is 132553363. The next prime is 132553397. The reversal of 132553381 is 183355231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 188356 = 11505^2 + 434^2 .

It is an emirp because it is prime and its reverse (183355231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132553381 - 25 = 132553349 is a prime.

It is a super-2 number, since 2×1325533812 = 35140797629062322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132553321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66276690 + 66276691.

It is an arithmetic number, because the mean of its divisors is an integer number (66276691).

Almost surely, 2132553381 is an apocalyptic number.

It is an amenable number.

132553381 is a deficient number, since it is larger than the sum of its proper divisors (1).

132553381 is an equidigital number, since it uses as much as digits as its factorization.

132553381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 132553381 is about 11513.1829221984. The cubic root of 132553381 is about 509.8748648520.

The spelling of 132553381 in words is "one hundred thirty-two million, five hundred fifty-three thousand, three hundred eighty-one".