7252291457 has 2 divisors, whose sum is σ = 7252291458. Its totient is φ = 7252291456.

The previous prime is 7252291429. The next prime is 7252291499. The reversal of 7252291457 is 7541922527.

7252291457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3924270736 + 3328020721 = 62644^2 + 57689^2 .

It is an emirp because it is prime and its reverse (7541922527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7252291457 - 2²⁰ = 7251242881 is a prime.

It is not a weakly prime, because it can be changed into another prime (7252291157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3626145728 + 3626145729.

It is an arithmetic number, because the mean of its divisors is an integer number (3626145729).

Almost surely, 2^7252291457 is an apocalyptic number.

It is an amenable number.

7252291457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7252291457 is an equidigital number, since it uses as much as digits as its factorization.

7252291457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The square root of 7252291457 is about 85160.3866653974. The cubic root of 7252291457 is about 1935.6422056714.

The spelling of 7252291457 in words is "seven billion, two hundred fifty-two million, two hundred ninety-one thousand, four hundred fifty-seven".