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125013233 is a prime number
BaseRepresentation
bin1110111001110…
…00110011110001
322201020022220202
413130320303301
5224000410413
620223244545
73045411032
oct734706361
9281208822
10125013233
1164626324
1235a49755
131cb90a37
1412862a89
15ae95e58
hex7738cf1

125013233 has 2 divisors, whose sum is σ = 125013234. Its totient is φ = 125013232.

The previous prime is 125013221. The next prime is 125013253. The reversal of 125013233 is 332310521.

It is an a-pointer prime, because the next prime (125013253) can be obtained adding 125013233 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83320384 + 41692849 = 9128^2 + 6457^2 .

It is a cyclic number.

It is not a de Polignac number, because 125013233 - 218 = 124751089 is a prime.

It is a super-2 number, since 2×1250132332 = 31256616850224578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125013253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62506616 + 62506617.

It is an arithmetic number, because the mean of its divisors is an integer number (62506617).

Almost surely, 2125013233 is an apocalyptic number.

It is an amenable number.

125013233 is a deficient number, since it is larger than the sum of its proper divisors (1).

125013233 is an equidigital number, since it uses as much as digits as its factorization.

125013233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 125013233 is about 11180.9316695882. The cubic root of 125013233 is about 500.0176433774.

Adding to 125013233 its reverse (332310521), we get a palindrome (457323754).

The spelling of 125013233 in words is "one hundred twenty-five million, thirteen thousand, two hundred thirty-three".