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7125901 is a prime number
BaseRepresentation
bin11011001011101110001101
3111102000220021
4123023232031
53311012101
6412422141
7114366136
oct33135615
914360807
107125901
114027882
122477951
131626613
14d36c8d
1595b5a1
hex6cbb8d

7125901 has 2 divisors, whose sum is σ = 7125902. Its totient is φ = 7125900.

The previous prime is 7125889. The next prime is 7125947. The reversal of 7125901 is 1095217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 391876 = 2595^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 7125901 - 25 = 7125869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7125971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562950 + 3562951.

It is an arithmetic number, because the mean of its divisors is an integer number (3562951).

Almost surely, 27125901 is an apocalyptic number.

It is an amenable number.

7125901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125901 is an equidigital number, since it uses as much as digits as its factorization.

7125901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 7125901 is about 2669.4383304358. The cubic root of 7125901 is about 192.4331673320.

The spelling of 7125901 in words is "seven million, one hundred twenty-five thousand, nine hundred one".