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2025907189 is a prime number
BaseRepresentation
bin111100011000000…
…1110001111110101
312020012002202012121
41320300032033311
513122113012224
6533010115541
7101126632645
oct17060161765
95205082177
102025907189
1194a632069
1248657bbb1
13263948467
141530c0525
15bcccdbe4
hex78c0e3f5

2025907189 has 2 divisors, whose sum is σ = 2025907190. Its totient is φ = 2025907188.

The previous prime is 2025907159. The next prime is 2025907217. The reversal of 2025907189 is 9817095202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1433228164 + 592679025 = 37858^2 + 24345^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025907189 - 27 = 2025907061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2025907159) 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, 1012953594 + 1012953595.

It is an arithmetic number, because the mean of its divisors is an integer number (1012953595).

Almost surely, 22025907189 is an apocalyptic number.

It is an amenable number.

2025907189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025907189 is an equidigital number, since it uses as much as digits as its factorization.

2025907189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 2025907189 is about 45010.0787490980. The cubic root of 2025907189 is about 1265.3378963732.

The spelling of 2025907189 in words is "two billion, twenty-five million, nine hundred seven thousand, one hundred eighty-nine".