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7538725357 is a prime number
BaseRepresentation
bin1110000010101011…
…11101000111101101
3201110101102221001021
413001111331013231
5110414403202412
63244021014141
7354550052062
oct70125750755
921411387037
107538725357
113219460a39
121564854351
13931ac9647
14517312c69
152e1c81607
hex1c157d1ed

7538725357 has 2 divisors, whose sum is σ = 7538725358. Its totient is φ = 7538725356.

The previous prime is 7538725343. The next prime is 7538725409. The reversal of 7538725357 is 7535278357.

It is an a-pointer prime, because the next prime (7538725409) can be obtained adding 7538725357 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6823751236 + 714974121 = 82606^2 + 26739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7538725357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7538725307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3769362678 + 3769362679.

It is an arithmetic number, because the mean of its divisors is an integer number (3769362679).

Almost surely, 27538725357 is an apocalyptic number.

It is an amenable number.

7538725357 is a deficient number, since it is larger than the sum of its proper divisors (1).

7538725357 is an equidigital number, since it uses as much as digits as its factorization.

7538725357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6174000, while the sum is 52.

The square root of 7538725357 is about 86825.8334656224. The cubic root of 7538725357 is about 1960.7970308531.

The spelling of 7538725357 in words is "seven billion, five hundred thirty-eight million, seven hundred twenty-five thousand, three hundred fifty-seven".