Search a number
-
+
925748513 is a prime number
BaseRepresentation
bin110111001011011…
…100110100100001
32101111221220012222
4313023130310201
53343442423023
6231510000425
731640506154
oct6713346441
92344856188
10925748513
11435619618
1221a046115
13119a404b1
148ad3dc9b
1556415cc8
hex372dcd21

925748513 has 2 divisors, whose sum is σ = 925748514. Its totient is φ = 925748512.

The previous prime is 925748497. The next prime is 925748521. The reversal of 925748513 is 315847529.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 890903104 + 34845409 = 29848^2 + 5903^2 .

It is an emirp because it is prime and its reverse (315847529) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 925748513 - 24 = 925748497 is a prime.

It is a super-2 number, since 2×9257485132 = 1714020618643422338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (925748563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462874256 + 462874257.

It is an arithmetic number, because the mean of its divisors is an integer number (462874257).

Almost surely, 2925748513 is an apocalyptic number.

It is an amenable number.

925748513 is a deficient number, since it is larger than the sum of its proper divisors (1).

925748513 is an equidigital number, since it uses as much as digits as its factorization.

925748513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The square root of 925748513 is about 30426.1156410081. The cubic root of 925748513 is about 974.6103244029.

The spelling of 925748513 in words is "nine hundred twenty-five million, seven hundred forty-eight thousand, five hundred thirteen".