7505523349 has 2 divisors, whose sum is σ = 7505523350. Its totient is φ = 7505523348.

The previous prime is 7505523331. The next prime is 7505523373. The reversal of 7505523349 is 9433255057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7501292100 + 4231249 = 86610^2 + 2057^2 .

It is a cyclic number.

It is not a de Polignac number, because 7505523349 - 2²¹ = 7503426197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7505523049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752761674 + 3752761675.

It is an arithmetic number, because the mean of its divisors is an integer number (3752761675).

Almost surely, 2^7505523349 is an apocalyptic number.

It is an amenable number.

7505523349 is a deficient number, since it is larger than the sum of its proper divisors (1).

7505523349 is an equidigital number, since it uses as much as digits as its factorization.

7505523349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 43.

The square root of 7505523349 is about 86634.4235797757. The cubic root of 7505523349 is about 1957.9142177919.

The spelling of 7505523349 in words is "seven billion, five hundred five million, five hundred twenty-three thousand, three hundred forty-nine".