61356359 has 2 divisors, whose sum is σ = 61356360. Its totient is φ = 61356358.

The previous prime is 61356311. The next prime is 61356413. The reversal of 61356359 is 95365316.

61356359 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 is a cyclic number.

It is not a de Polignac number, because 61356359 - 2²⁰ = 60307783 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61356259) 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, 30678179 + 30678180.

It is an arithmetic number, because the mean of its divisors is an integer number (30678180).

Almost surely, 2^61356359 is an apocalyptic number.

61356359 is a deficient number, since it is larger than the sum of its proper divisors (1).

61356359 is an equidigital number, since it uses as much as digits as its factorization.

61356359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 38.

The square root of 61356359 is about 7833.0300012192. The cubic root of 61356359 is about 394.4147911642.

The spelling of 61356359 in words is "sixty-one million, three hundred fifty-six thousand, three hundred fifty-nine".