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1825498897 is a prime number
BaseRepresentation
bin110110011001110…
…1110011100010001
311201012222221201021
41230303232130101
512214311431042
6501050435441
763144325135
oct15463563421
94635887637
101825498897
118574a0382
1242b432b81
1323127a381
141346333c5
15aa3e3867
hex6ccee711

1825498897 has 2 divisors, whose sum is σ = 1825498898. Its totient is φ = 1825498896.

The previous prime is 1825498867. The next prime is 1825498901. The reversal of 1825498897 is 7988945281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1814845201 + 10653696 = 42601^2 + 3264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1825498897 - 215 = 1825466129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1825498867) 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, 912749448 + 912749449.

It is an arithmetic number, because the mean of its divisors is an integer number (912749449).

Almost surely, 21825498897 is an apocalyptic number.

It is an amenable number.

1825498897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825498897 is an equidigital number, since it uses as much as digits as its factorization.

1825498897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 61.

The square root of 1825498897 is about 42725.8574753041. The cubic root of 1825498897 is about 1222.1575404745.

The spelling of 1825498897 in words is "one billion, eight hundred twenty-five million, four hundred ninety-eight thousand, eight hundred ninety-seven".