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125836349 is a prime number
BaseRepresentation
bin1111000000000…
…01110000111101
322202210011000112
413200001300331
5224203230344
620253035405
73055406552
oct740016075
9282704015
10125836349
1165038791
1236185b65
13200bb5a2
14129d8a29
15b0a9c9e
hex7801c3d

125836349 has 2 divisors, whose sum is σ = 125836350. Its totient is φ = 125836348.

The previous prime is 125836327. The next prime is 125836369. The reversal of 125836349 is 943638521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75568249 + 50268100 = 8693^2 + 7090^2 .

It is a cyclic number.

It is not a de Polignac number, because 125836349 - 212 = 125832253 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125836369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62918174 + 62918175.

It is an arithmetic number, because the mean of its divisors is an integer number (62918175).

Almost surely, 2125836349 is an apocalyptic number.

It is an amenable number.

125836349 is a deficient number, since it is larger than the sum of its proper divisors (1).

125836349 is an equidigital number, since it uses as much as digits as its factorization.

125836349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 125836349 is about 11217.6801969035. The cubic root of 125836349 is about 501.1126541648.

The spelling of 125836349 in words is "one hundred twenty-five million, eight hundred thirty-six thousand, three hundred forty-nine".