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1275461413 is a prime number
BaseRepresentation
bin100110000000101…
…1111111100100101
310021220000011010121
41030001133330211
510103004231123
6330321321541
743415146252
oct11401377445
93256004117
101275461413
115a4a68046
122b71962b1
13174325ac5
14c1574429
1576e9475d
hex4c05ff25

1275461413 has 2 divisors, whose sum is σ = 1275461414. Its totient is φ = 1275461412.

The previous prime is 1275461321. The next prime is 1275461417. The reversal of 1275461413 is 3141645721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 689482564 + 585978849 = 26258^2 + 24207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1275461413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275461417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637730706 + 637730707.

It is an arithmetic number, because the mean of its divisors is an integer number (637730707).

Almost surely, 21275461413 is an apocalyptic number.

It is an amenable number.

1275461413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275461413 is an equidigital number, since it uses as much as digits as its factorization.

1275461413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 1275461413 is about 35713.6026326104. The cubic root of 1275461413 is about 1084.4822330849.

The spelling of 1275461413 in words is "one billion, two hundred seventy-five million, four hundred sixty-one thousand, four hundred thirteen".