Search a number
-
+
15151361 is a prime number
BaseRepresentation
bin111001110011…
…000100000001
31001111202202112
4321303010001
512334320421
61300425105
7242533031
oct71630401
931452675
1015151361
118609495
1250a8195
1331a6504
1420258c1
1514e445b
hexe73101

15151361 has 2 divisors, whose sum is σ = 15151362. Its totient is φ = 15151360.

The previous prime is 15151337. The next prime is 15151373. The reversal of 15151361 is 16315151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 5909761 = 3040^2 + 2431^2 .

It is an emirp because it is prime and its reverse (16315151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15151361 - 210 = 15150337 is a prime.

It is not a weakly prime, because it can be changed into another prime (15151321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575680 + 7575681.

It is an arithmetic number, because the mean of its divisors is an integer number (7575681).

Almost surely, 215151361 is an apocalyptic number.

It is an amenable number.

15151361 is a deficient number, since it is larger than the sum of its proper divisors (1).

15151361 is an equidigital number, since it uses as much as digits as its factorization.

15151361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 23.

The square root of 15151361 is about 3892.4749196366. The cubic root of 15151361 is about 247.4479623958.

The spelling of 15151361 in words is "fifteen million, one hundred fifty-one thousand, three hundred sixty-one".