61695923 has 2 divisors, whose sum is σ = 61695924. Its totient is φ = 61695922.

The previous prime is 61695911. The next prime is 61695937. The reversal of 61695923 is 32959616.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61695923 is a prime.

It is not a weakly prime, because it can be changed into another prime (61695523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30847961 + 30847962.

It is an arithmetic number, because the mean of its divisors is an integer number (30847962).

Almost surely, 2^61695923 is an apocalyptic number.

61695923 is a deficient number, since it is larger than the sum of its proper divisors (1).

61695923 is an equidigital number, since it uses as much as digits as its factorization.

61695923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 41.

The square root of 61695923 is about 7854.6752319876. The cubic root of 61695923 is about 395.1410552150.

The spelling of 61695923 in words is "sixty-one million, six hundred ninety-five thousand, nine hundred twenty-three".