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745001 is a prime number
BaseRepresentation
bin10110101111000101001
31101211221122
42311320221
5142320001
623545025
76222005
oct2657051
91354848
10745001
11469804
122bb175
1320113a
14155705
15eab1b
hexb5e29

745001 has 2 divisors, whose sum is σ = 745002. Its totient is φ = 745000.

The previous prime is 744977. The next prime is 745013. The reversal of 745001 is 100547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 30976 = 845^2 + 176^2 .

It is an emirp because it is prime and its reverse (100547) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-745001 is a prime.

It is not a weakly prime, because it can be changed into another prime (745051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372500 + 372501.

It is an arithmetic number, because the mean of its divisors is an integer number (372501).

2745001 is an apocalyptic number.

It is an amenable number.

745001 is a deficient number, since it is larger than the sum of its proper divisors (1).

745001 is an equidigital number, since it uses as much as digits as its factorization.

745001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 745001 is about 863.1344043659. The cubic root of 745001 is about 90.6537175735.

Adding to 745001 its reverse (100547), we get a palindrome (845548).

The spelling of 745001 in words is "seven hundred forty-five thousand, one".