Search a number
-
+
64025413 is a prime number
BaseRepresentation
bin1111010000111…
…1001101000101
311110110211100121
43310033031011
5112342303123
610204141541
71405131004
oct364171505
9143424317
1064025413
1133160271
12195378b1
131035927a
148708c3b
15594a75d
hex3d0f345

64025413 has 2 divisors, whose sum is σ = 64025414. Its totient is φ = 64025412.

The previous prime is 64025393. The next prime is 64025419. The reversal of 64025413 is 31452046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57790404 + 6235009 = 7602^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 64025413 - 221 = 61928261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64025419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32012706 + 32012707.

It is an arithmetic number, because the mean of its divisors is an integer number (32012707).

Almost surely, 264025413 is an apocalyptic number.

It is an amenable number.

64025413 is a deficient number, since it is larger than the sum of its proper divisors (1).

64025413 is an equidigital number, since it uses as much as digits as its factorization.

64025413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64025413 is about 8001.5881548603. The cubic root of 64025413 is about 400.0529367439.

Adding to 64025413 its reverse (31452046), we get a palindrome (95477459).

The spelling of 64025413 in words is "sixty-four million, twenty-five thousand, four hundred thirteen".