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260413 is a prime number
BaseRepresentation
bin111111100100111101
3111020012221
4333210331
531313123
65325341
72133136
oct774475
9436187
10260413
1116871a
12106851
13916ba
146ac8d
155225d
hex3f93d

260413 has 2 divisors, whose sum is σ = 260414. Its totient is φ = 260412.

The previous prime is 260411. The next prime is 260417. The reversal of 260413 is 314062.

Adding to 260413 its reverse (314062), we get a palindrome (574475).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257049 + 3364 = 507^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 260413 - 21 = 260411 is a prime.

Together with 260411, it forms a pair of twin primes.

260413 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130206 + 130207.

It is an arithmetic number, because the mean of its divisors is an integer number (130207).

2260413 is an apocalyptic number.

It is an amenable number.

260413 is a deficient number, since it is larger than the sum of its proper divisors (1).

260413 is an equidigital number, since it uses as much as digits as its factorization.

260413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 260413 is about 510.3067704822. The cubic root of 260413 is about 63.8588196526.

The spelling of 260413 in words is "two hundred sixty thousand, four hundred thirteen".