61560853 has 2 divisors, whose sum is σ = 61560854. Its totient is φ = 61560852.

The previous prime is 61560841. The next prime is 61560959. The reversal of 61560853 is 35806516.

61560853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46335249 + 15225604 = 6807^2 + 3902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61560853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61560833) 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, 30780426 + 30780427.

It is an arithmetic number, because the mean of its divisors is an integer number (30780427).

Almost surely, 2^61560853 is an apocalyptic number.

It is an amenable number.

61560853 is a deficient number, since it is larger than the sum of its proper divisors (1).

61560853 is an equidigital number, since it uses as much as digits as its factorization.

61560853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 61560853 is about 7846.0724569685. The cubic root of 61560853 is about 394.8524856423.

The spelling of 61560853 in words is "sixty-one million, five hundred sixty thousand, eight hundred fifty-three".