7275500257 has 2 divisors, whose sum is σ = 7275500258. Its totient is φ = 7275500256.

The previous prime is 7275500233. The next prime is 7275500261. The reversal of 7275500257 is 7520055727.

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., 4428103936 + 2847396321 = 66544^2 + 53361^2 .

It is a cyclic number.

It is not a de Polignac number, because 7275500257 - 2²⁷ = 7141282529 is a prime.

It is not a weakly prime, because it can be changed into another prime (7275500857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3637750128 + 3637750129.

It is an arithmetic number, because the mean of its divisors is an integer number (3637750129).

Almost surely, 2^7275500257 is an apocalyptic number.

It is an amenable number.

7275500257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7275500257 is an equidigital number, since it uses as much as digits as its factorization.

7275500257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 7275500257 is about 85296.5430542176. The cubic root of 7275500257 is about 1937.7048225338.

The spelling of 7275500257 in words is "seven billion, two hundred seventy-five million, five hundred thousand, two hundred fifty-seven".