61006529 has 2 divisors, whose sum is σ = 61006530. Its totient is φ = 61006528.

The previous prime is 61006487. The next prime is 61006559. The reversal of 61006529 is 92560016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58874929 + 2131600 = 7673^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 61006529 - 2⁸ = 61006273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61006559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30503264 + 30503265.

It is an arithmetic number, because the mean of its divisors is an integer number (30503265).

Almost surely, 2^61006529 is an apocalyptic number.

It is an amenable number.

61006529 is a deficient number, since it is larger than the sum of its proper divisors (1).

61006529 is an equidigital number, since it uses as much as digits as its factorization.

61006529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 61006529 is about 7810.6676411175. The cubic root of 61006529 is about 393.6637622846.

The spelling of 61006529 in words is "sixty-one million, six thousand, five hundred twenty-nine".