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260242501 is a prime number
BaseRepresentation
bin11111000001011…
…11110001000101
3200010200200121011
433200233301011
51013110230001
641453522221
76310011331
oct1740576105
9603620534
10260242501
1112399a052
12731a3371
1341bba75c
14267c47c1
1517ca8d51
hexf82fc45

260242501 has 2 divisors, whose sum is σ = 260242502. Its totient is φ = 260242500.

The previous prime is 260242483. The next prime is 260242523. The reversal of 260242501 is 105242062.

It is an a-pointer prime, because the next prime (260242523) can be obtained adding 260242501 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., 254434401 + 5808100 = 15951^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 260242501 - 25 = 260242469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260240501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130121250 + 130121251.

It is an arithmetic number, because the mean of its divisors is an integer number (130121251).

Almost surely, 2260242501 is an apocalyptic number.

It is an amenable number.

260242501 is a deficient number, since it is larger than the sum of its proper divisors (1).

260242501 is an equidigital number, since it uses as much as digits as its factorization.

260242501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 260242501 is about 16132.0333808234. The cubic root of 260242501 is about 638.4487994663.

Adding to 260242501 its reverse (105242062), we get a palindrome (365484563).

The spelling of 260242501 in words is "two hundred sixty million, two hundred forty-two thousand, five hundred one".