Search a number
-
+
1375379 is a prime number
BaseRepresentation
bin101001111110010010011
32120212122222
411033302103
5323003004
645251255
714455565
oct5176223
92525588
101375379
1185a385
12563b2b
13392045
1427b335
151c27be
hex14fc93

1375379 has 2 divisors, whose sum is σ = 1375380. Its totient is φ = 1375378.

The previous prime is 1375373. The next prime is 1375411. The reversal of 1375379 is 9735731.

It is a weak prime.

It is an emirp because it is prime and its reverse (9735731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1375379 is a prime.

It is a d-powerful number, because it can be written as 1 + 35 + 73 + 53 + 39 + 77 + 96 .

It is not a weakly prime, because it can be changed into another prime (1375373) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687689 + 687690.

It is an arithmetic number, because the mean of its divisors is an integer number (687690).

21375379 is an apocalyptic number.

1375379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375379 is an equidigital number, since it uses as much as digits as its factorization.

1375379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19845, while the sum is 35.

The square root of 1375379 is about 1172.7655349643. The cubic root of 1375379 is about 111.2092204196.

It can be divided in two parts, 1375 and 379, that multiplied together give a palindrome (521125).

The spelling of 1375379 in words is "one million, three hundred seventy-five thousand, three hundred seventy-nine".