4257320597 has 2 divisors, whose sum is σ = 4257320598. Its totient is φ = 4257320596.

The previous prime is 4257320581. The next prime is 4257320609. The reversal of 4257320597 is 7950237524.

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., 3170365636 + 1086954961 = 56306^2 + 32969^2 .

It is a cyclic number.

It is not a de Polignac number, because 4257320597 - 2⁴ = 4257320581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4257320537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128660298 + 2128660299.

It is an arithmetic number, because the mean of its divisors is an integer number (2128660299).

Almost surely, 2^4257320597 is an apocalyptic number.

It is an amenable number.

4257320597 is a deficient number, since it is larger than the sum of its proper divisors (1).

4257320597 is an equidigital number, since it uses as much as digits as its factorization.

4257320597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 4257320597 is about 65248.1463108340. The cubic root of 4257320597 is about 1620.7354021535.

The spelling of 4257320597 in words is "four billion, two hundred fifty-seven million, three hundred twenty thousand, five hundred ninety-seven".