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3725338657 is a prime number
BaseRepresentation
bin1101111000001100…
…0010100000100001
3100121121212210220211
43132003002200201
530112141314112
61413354534121
7161213566435
oct33603024041
910547783824
103725338657
111641947087
1287b737341
13474a56001
14274a989c5
1516c0be0a7
hexde0c2821

3725338657 has 2 divisors, whose sum is σ = 3725338658. Its totient is φ = 3725338656.

The previous prime is 3725338633. The next prime is 3725338693. The reversal of 3725338657 is 7568335273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2850598881 + 874739776 = 53391^2 + 29576^2 .

It is an emirp because it is prime and its reverse (7568335273) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3725338657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3725338657.

It is not a weakly prime, because it can be changed into another prime (3725338157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862669328 + 1862669329.

It is an arithmetic number, because the mean of its divisors is an integer number (1862669329).

Almost surely, 23725338657 is an apocalyptic number.

It is an amenable number.

3725338657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725338657 is an equidigital number, since it uses as much as digits as its factorization.

3725338657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 49.

The square root of 3725338657 is about 61035.5524018584. The cubic root of 3725338657 is about 1550.2030475588.

The spelling of 3725338657 in words is "three billion, seven hundred twenty-five million, three hundred thirty-eight thousand, six hundred fifty-seven".