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125135357 is a prime number
BaseRepresentation
bin1110111010101…
…10100111111101
322201110112102212
413131112213331
5224013312412
620230030205
73046430054
oct735264775
9281415385
10125135357
11646aa056
1235aa8365
131cc044b9
141289539b
15aebc222
hex77569fd

125135357 has 2 divisors, whose sum is σ = 125135358. Its totient is φ = 125135356.

The previous prime is 125135347. The next prime is 125135363. The reversal of 125135357 is 753531521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114468601 + 10666756 = 10699^2 + 3266^2 .

It is a cyclic number.

It is not a de Polignac number, because 125135357 - 218 = 124873213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125135347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62567678 + 62567679.

It is an arithmetic number, because the mean of its divisors is an integer number (62567679).

Almost surely, 2125135357 is an apocalyptic number.

It is an amenable number.

125135357 is a deficient number, since it is larger than the sum of its proper divisors (1).

125135357 is an equidigital number, since it uses as much as digits as its factorization.

125135357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 32.

The square root of 125135357 is about 11186.3915987239. The cubic root of 125135357 is about 500.1804108960.

Adding to 125135357 its reverse (753531521), we get a palindrome (878666878).

The spelling of 125135357 in words is "one hundred twenty-five million, one hundred thirty-five thousand, three hundred fifty-seven".