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75225713 is a prime number
BaseRepresentation
bin1000111101111…
…01101001110001
312020112212021112
410132331221301
5123224210323
611244203105
71602256643
oct436755161
9166485245
1075225713
1139510212
1221239495
131277b274
149dc2893
15690e178
hex47bda71

75225713 has 2 divisors, whose sum is σ = 75225714. Its totient is φ = 75225712.

The previous prime is 75225701. The next prime is 75225719. The reversal of 75225713 is 31752257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 5536609 = 8348^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 75225713 - 28 = 75225457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75225713.

It is not a weakly prime, because it can be changed into another prime (75225719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37612856 + 37612857.

It is an arithmetic number, because the mean of its divisors is an integer number (37612857).

Almost surely, 275225713 is an apocalyptic number.

It is an amenable number.

75225713 is a deficient number, since it is larger than the sum of its proper divisors (1).

75225713 is an equidigital number, since it uses as much as digits as its factorization.

75225713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14700, while the sum is 32.

The square root of 75225713 is about 8673.2757940700. The cubic root of 75225713 is about 422.1389616706.

The spelling of 75225713 in words is "seventy-five million, two hundred twenty-five thousand, seven hundred thirteen".