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258307013 is a prime number
BaseRepresentation
bin11110110010101…
…11001111000101
3200000001100121102
433121113033011
51012111311023
641344225445
76254400446
oct1731271705
9600040542
10258307013
11122897978
127260b285
13416907b3
142643d2cd
1517a25628
hexf6573c5

258307013 has 2 divisors, whose sum is σ = 258307014. Its totient is φ = 258307012.

The previous prime is 258307009. The next prime is 258307051. The reversal of 258307013 is 310703852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257057089 + 1249924 = 16033^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 258307013 - 22 = 258307009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258309013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129153506 + 129153507.

It is an arithmetic number, because the mean of its divisors is an integer number (129153507).

Almost surely, 2258307013 is an apocalyptic number.

It is an amenable number.

258307013 is a deficient number, since it is larger than the sum of its proper divisors (1).

258307013 is an equidigital number, since it uses as much as digits as its factorization.

258307013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 258307013 is about 16071.9324600373. The cubic root of 258307013 is about 636.8620920261.

It can be divided in two parts, 25 and 8307013, that added together give a palindrome (8307038).

The spelling of 258307013 in words is "two hundred fifty-eight million, three hundred seven thousand, thirteen".