Search a number
-
+
1348484581 is a prime number
BaseRepresentation
bin101000001100000…
…0011110111100101
310110222102010002101
41100120003313211
510230203001311
6341450412101
745262633633
oct12030036745
93428363071
101348484581
11632203474
12317731031
131864b2692
14cb142353
157d5baec1
hex50603de5

1348484581 has 2 divisors, whose sum is σ = 1348484582. Its totient is φ = 1348484580.

The previous prime is 1348484569. The next prime is 1348484597. The reversal of 1348484581 is 1854848431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1266292225 + 82192356 = 35585^2 + 9066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348484581 - 215 = 1348451813 is a prime.

It is a super-2 number, since 2×13484845812 = 3636821330389491122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348484521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674242290 + 674242291.

It is an arithmetic number, because the mean of its divisors is an integer number (674242291).

Almost surely, 21348484581 is an apocalyptic number.

It is an amenable number.

1348484581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348484581 is an equidigital number, since it uses as much as digits as its factorization.

1348484581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 491520, while the sum is 46.

The square root of 1348484581 is about 36721.7181106767. The cubic root of 1348484581 is about 1104.7957502135.

The spelling of 1348484581 in words is "one billion, three hundred forty-eight million, four hundred eighty-four thousand, five hundred eighty-one".