61750529 has 2 divisors, whose sum is σ = 61750530. Its totient is φ = 61750528.

The previous prime is 61750519. The next prime is 61750531. The reversal of 61750529 is 92505716.

61750529 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., 53684929 + 8065600 = 7327^2 + 2840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61750529 is a prime.

Together with 61750531, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61750519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30875264 + 30875265.

It is an arithmetic number, because the mean of its divisors is an integer number (30875265).

Almost surely, 2^61750529 is an apocalyptic number.

It is an amenable number.

61750529 is a deficient number, since it is larger than the sum of its proper divisors (1).

61750529 is an equidigital number, since it uses as much as digits as its factorization.

61750529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 61750529 is about 7858.1504821427. The cubic root of 61750529 is about 395.2575983549.

The spelling of 61750529 in words is "sixty-one million, seven hundred fifty thousand, five hundred twenty-nine".