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1341491 is a prime number
BaseRepresentation
bin101000111100000110011
32112011011212
411013200303
5320411431
644430335
714255024
oct5074063
92464155
101341491
11836978
125483ab
1337c7a8
1426cc4b
151b772b
hex147833

1341491 has 2 divisors, whose sum is σ = 1341492. Its totient is φ = 1341490.

The previous prime is 1341481. The next prime is 1341493. The reversal of 1341491 is 1941431.

It is a strong prime.

It is an emirp because it is prime and its reverse (1941431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1341491 is a prime.

It is a Sophie Germain prime.

Together with 1341493, 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 (1341493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670745 + 670746.

It is an arithmetic number, because the mean of its divisors is an integer number (670746).

21341491 is an apocalyptic number.

1341491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341491 is an equidigital number, since it uses as much as digits as its factorization.

1341491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 1341491 is about 1158.2275251435. The cubic root of 1341491 is about 110.2882522469.

The spelling of 1341491 in words is "one million, three hundred forty-one thousand, four hundred ninety-one".