Search a number
-
+
1341450557 is a prime number
BaseRepresentation
bin100111111110100…
…1110100100111101
310110111011202012222
41033331032210331
510221402404212
6341035535125
745146066366
oct11775164475
93414152188
101341450557
11629239727
123152ba4a5
13184bbbb35
14ca230b6d
157cb7bc72
hex4ff4e93d

1341450557 has 2 divisors, whose sum is σ = 1341450558. Its totient is φ = 1341450556.

The previous prime is 1341450541. The next prime is 1341450563. The reversal of 1341450557 is 7550541431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 963109156 + 378341401 = 31034^2 + 19451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341450557 - 24 = 1341450541 is a prime.

It is a super-2 number, since 2×13414505572 = 3598979193751220498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341450527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670725278 + 670725279.

It is an arithmetic number, because the mean of its divisors is an integer number (670725279).

Almost surely, 21341450557 is an apocalyptic number.

It is an amenable number.

1341450557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341450557 is an equidigital number, since it uses as much as digits as its factorization.

1341450557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 1341450557 is about 36625.8181751616. The cubic root of 1341450557 is about 1102.8714391974.

Adding to 1341450557 its reverse (7550541431), we get a palindrome (8891991988).

The spelling of 1341450557 in words is "one billion, three hundred forty-one million, four hundred fifty thousand, five hundred fifty-seven".