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13625057 is a prime number
BaseRepresentation
bin110011111110…
…011011100001
3221122020001202
4303332123201
511442000212
61204010545
7223545125
oct63763341
927566052
1013625057
117766786
124690a55
132a90884
141b49585
1512e20c2
hexcfe6e1

13625057 has 2 divisors, whose sum is σ = 13625058. Its totient is φ = 13625056.

The previous prime is 13625009. The next prime is 13625063. The reversal of 13625057 is 75052631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13184161 + 440896 = 3631^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 13625057 - 210 = 13624033 is a prime.

It is not a weakly prime, because it can be changed into another prime (13625257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6812528 + 6812529.

It is an arithmetic number, because the mean of its divisors is an integer number (6812529).

Almost surely, 213625057 is an apocalyptic number.

It is an amenable number.

13625057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13625057 is an equidigital number, since it uses as much as digits as its factorization.

13625057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 13625057 is about 3691.2134861045. The cubic root of 13625057 is about 238.8431421165.

Adding to 13625057 its reverse (75052631), we get a palindrome (88677688).

The spelling of 13625057 in words is "thirteen million, six hundred twenty-five thousand, fifty-seven".