Search a number
-
+
17072401 is a prime number
BaseRepresentation
bin100000100100…
…0000100010001
31012010100221011
41001020010101
513332304101
61405530521
7265053523
oct101100421
935110834
1017072401
119700825
125873a41
1336c9a18
1423a5a13
151773751
hex1048111

17072401 has 2 divisors, whose sum is σ = 17072402. Its totient is φ = 17072400.

The previous prime is 17072399. The next prime is 17072423. The reversal of 17072401 is 10427071.

It is an a-pointer prime, because the next prime (17072423) can be obtained adding 17072401 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17007376 + 65025 = 4124^2 + 255^2 .

It is an emirp because it is prime and its reverse (10427071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17072401 - 21 = 17072399 is a prime.

Together with 17072399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (17072491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8536200 + 8536201.

It is an arithmetic number, because the mean of its divisors is an integer number (8536201).

Almost surely, 217072401 is an apocalyptic number.

It is an amenable number.

17072401 is a deficient number, since it is larger than the sum of its proper divisors (1).

17072401 is an equidigital number, since it uses as much as digits as its factorization.

17072401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 17072401 is about 4131.8762082134. The cubic root of 17072401 is about 257.4926682803.

Adding to 17072401 its reverse (10427071), we get a palindrome (27499472).

The spelling of 17072401 in words is "seventeen million, seventy-two thousand, four hundred one".