1534052561 has 2 divisors, whose sum is σ = 1534052562. Its totient is φ = 1534052560.

The previous prime is 1534052521. The next prime is 1534052581. The reversal of 1534052561 is 1652504351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839202961 + 694849600 = 28969^2 + 26360^2 .

It is an emirp because it is prime and its reverse (1652504351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1534052561 - 2³⁰ = 460310737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1534052521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767026280 + 767026281.

It is an arithmetic number, because the mean of its divisors is an integer number (767026281).

Almost surely, 2^1534052561 is an apocalyptic number.

It is an amenable number.

1534052561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534052561 is an equidigital number, since it uses as much as digits as its factorization.

1534052561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1534052561 is about 39166.9830469491. The cubic root of 1534052561 is about 1153.3118296988.

The spelling of 1534052561 in words is "one billion, five hundred thirty-four million, fifty-two thousand, five hundred sixty-one".