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625315193 is a prime number
BaseRepresentation
bin100101010001011…
…000110101111001
31121120122022011222
4211101120311321
52240040041233
6142014401425
721332043236
oct4521306571
91546568158
10625315193
112a0a79618
12155500275
139c7203b9
145d09678d
1539d6d898
hex25458d79

625315193 has 2 divisors, whose sum is σ = 625315194. Its totient is φ = 625315192.

The previous prime is 625315183. The next prime is 625315259. The reversal of 625315193 is 391513526.

625315193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410751289 + 214563904 = 20267^2 + 14648^2 .

It is a cyclic number.

It is not a de Polignac number, because 625315193 - 214 = 625298809 is a prime.

It is not a weakly prime, because it can be changed into another prime (625315123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312657596 + 312657597.

It is an arithmetic number, because the mean of its divisors is an integer number (312657597).

Almost surely, 2625315193 is an apocalyptic number.

It is an amenable number.

625315193 is a deficient number, since it is larger than the sum of its proper divisors (1).

625315193 is an equidigital number, since it uses as much as digits as its factorization.

625315193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 35.

The square root of 625315193 is about 25006.3030654273. The cubic root of 625315193 is about 855.1316751706.

The spelling of 625315193 in words is "six hundred twenty-five million, three hundred fifteen thousand, one hundred ninety-three".