7356252521 has 2 divisors, whose sum is σ = 7356252522. Its totient is φ = 7356252520.

The previous prime is 7356252503. The next prime is 7356252551. The reversal of 7356252521 is 1252526537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7113235600 + 243016921 = 84340^2 + 15589^2 .

It is a cyclic number.

It is not a de Polignac number, because 7356252521 - 2⁶ = 7356252457 is a prime.

It is a super-2 number, since 2×7356252521² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7356252551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3678126260 + 3678126261.

It is an arithmetic number, because the mean of its divisors is an integer number (3678126261).

Almost surely, 2^7356252521 is an apocalyptic number.

It is an amenable number.

7356252521 is a deficient number, since it is larger than the sum of its proper divisors (1).

7356252521 is an equidigital number, since it uses as much as digits as its factorization.

7356252521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 7356252521 is about 85768.5986885643. The cubic root of 7356252521 is about 1944.8474554291.

The spelling of 7356252521 in words is "seven billion, three hundred fifty-six million, two hundred fifty-two thousand, five hundred twenty-one".