Search a number
-
+
64260401 is a prime number
BaseRepresentation
bin1111010100100…
…0100100110001
311110220202200212
43311020210301
5112422313101
610213153505
71410130052
oct365104461
9143822625
1064260401
1133300877
121962b895
131040c20a
14876a729
1559951bb
hex3d48931

64260401 has 2 divisors, whose sum is σ = 64260402. Its totient is φ = 64260400.

The previous prime is 64260373. The next prime is 64260439. The reversal of 64260401 is 10406246.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37210000 + 27050401 = 6100^2 + 5201^2 .

It is a cyclic number.

It is not a de Polignac number, because 64260401 - 214 = 64244017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64265401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32130200 + 32130201.

It is an arithmetic number, because the mean of its divisors is an integer number (32130201).

Almost surely, 264260401 is an apocalyptic number.

It is an amenable number.

64260401 is a deficient number, since it is larger than the sum of its proper divisors (1).

64260401 is an equidigital number, since it uses as much as digits as its factorization.

64260401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 64260401 is about 8016.2585412398. The cubic root of 64260401 is about 400.5417679707.

Adding to 64260401 its reverse (10406246), we get a palindrome (74666647).

The spelling of 64260401 in words is "sixty-four million, two hundred sixty thousand, four hundred one".