3520540249 has 2 divisors, whose sum is σ = 3520540250. Its totient is φ = 3520540248.

The previous prime is 3520540189. The next prime is 3520540271. The reversal of 3520540249 is 9420450253.

3520540249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1961869849 + 1558670400 = 44293^2 + 39480^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520540249 - 2¹⁷ = 3520409177 is a prime.

It is not a weakly prime, because it can be changed into another prime (3520540349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760270124 + 1760270125.

It is an arithmetic number, because the mean of its divisors is an integer number (1760270125).

Almost surely, 2^3520540249 is an apocalyptic number.

It is an amenable number.

3520540249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520540249 is an equidigital number, since it uses as much as digits as its factorization.

3520540249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 3520540249 is about 59334.1406696010. The cubic root of 3520540249 is about 1521.2588038562.

The spelling of 3520540249 in words is "three billion, five hundred twenty million, five hundred forty thousand, two hundred forty-nine".