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132521461 is a prime number
BaseRepresentation
bin1111110011000…
…01110111110101
3100020100210021021
413321201313311
5232411141321
621052221141
73166261642
oct771416765
9306323237
10132521461
1168894376
123846a7b1
13215bc387
1413858dc9
15b97a941
hex7e61df5

132521461 has 2 divisors, whose sum is σ = 132521462. Its totient is φ = 132521460.

The previous prime is 132521449. The next prime is 132521479. The reversal of 132521461 is 164125231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95433361 + 37088100 = 9769^2 + 6090^2 .

It is a cyclic number.

It is not a de Polignac number, because 132521461 - 217 = 132390389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132521261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66260730 + 66260731.

It is an arithmetic number, because the mean of its divisors is an integer number (66260731).

Almost surely, 2132521461 is an apocalyptic number.

It is an amenable number.

132521461 is a deficient number, since it is larger than the sum of its proper divisors (1).

132521461 is an equidigital number, since it uses as much as digits as its factorization.

132521461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 132521461 is about 11511.7966017473. The cubic root of 132521461 is about 509.8339341413.

Adding to 132521461 its reverse (164125231), we get a palindrome (296646692).

The spelling of 132521461 in words is "one hundred thirty-two million, five hundred twenty-one thousand, four hundred sixty-one".