Search a number
-
+
1332281 is a prime number
BaseRepresentation
bin101000101010000111001
32111200112202
411011100321
5320113111
644315545
714216126
oct5052071
92450482
101332281
1182aa65
12542bb5
13378542
1426974d
151b4b3b
hex145439

1332281 has 2 divisors, whose sum is σ = 1332282. Its totient is φ = 1332280.

The previous prime is 1332277. The next prime is 1332283. The reversal of 1332281 is 1822331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229881 + 102400 = 1109^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332281 - 22 = 1332277 is a prime.

It is a super-2 number, since 2×13322812 = 3549945325922, which contains 22 as substring.

Together with 1332283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1332283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666140 + 666141.

It is an arithmetic number, because the mean of its divisors is an integer number (666141).

21332281 is an apocalyptic number.

It is an amenable number.

1332281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332281 is an equidigital number, since it uses as much as digits as its factorization.

1332281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 1332281 is about 1154.2447747337. The cubic root of 1332281 is about 110.0352779411.

The spelling of 1332281 in words is "one million, three hundred thirty-two thousand, two hundred eighty-one".