3525167561 has 2 divisors, whose sum is σ = 3525167562. Its totient is φ = 3525167560.

The previous prime is 3525167531. The next prime is 3525167567. The reversal of 3525167561 is 1657615253.

3525167561 is digitally balanced in base 2, 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., 2244959161 + 1280208400 = 47381^2 + 35780^2 .

It is a cyclic number.

It is not a de Polignac number, because 3525167561 - 2⁶ = 3525167497 is a prime.

It is not a weakly prime, because it can be changed into another prime (3525167567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762583780 + 1762583781.

It is an arithmetic number, because the mean of its divisors is an integer number (1762583781).

Almost surely, 2^3525167561 is an apocalyptic number.

It is an amenable number.

3525167561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3525167561 is an equidigital number, since it uses as much as digits as its factorization.

3525167561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 41.

The square root of 3525167561 is about 59373.1215366011. The cubic root of 3525167561 is about 1521.9250138466.

The spelling of 3525167561 in words is "three billion, five hundred twenty-five million, one hundred sixty-seven thousand, five hundred sixty-one".