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393025253 is a prime number
BaseRepresentation
bin10111011011010…
…001011011100101
31000101112202021212
4113123101123211
51301103302003
6102555521205
712511442135
oct2733213345
91011482255
10393025253
11191941765
12ab759205
136356ba2a
143a2aaac5
1524786dd8
hex176d16e5

393025253 has 2 divisors, whose sum is σ = 393025254. Its totient is φ = 393025252.

The previous prime is 393025229. The next prime is 393025271. The reversal of 393025253 is 352520393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392911684 + 113569 = 19822^2 + 337^2 .

It is an emirp because it is prime and its reverse (352520393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 393025253 - 28 = 393024997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393025153) 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, 196512626 + 196512627.

It is an arithmetic number, because the mean of its divisors is an integer number (196512627).

Almost surely, 2393025253 is an apocalyptic number.

It is an amenable number.

393025253 is a deficient number, since it is larger than the sum of its proper divisors (1).

393025253 is an equidigital number, since it uses as much as digits as its factorization.

393025253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 393025253 is about 19824.8645140389. The cubic root of 393025253 is about 732.4986331790.

The spelling of 393025253 in words is "three hundred ninety-three million, twenty-five thousand, two hundred fifty-three".