61470163 has 2 divisors, whose sum is σ = 61470164. Its totient is φ = 61470162.

The previous prime is 61470139. The next prime is 61470197. The reversal of 61470163 is 36107416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61470163 - 2⁵ = 61470131 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_3644119 and since 61470163 and 3644119 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61470133) 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, 30735081 + 30735082.

It is an arithmetic number, because the mean of its divisors is an integer number (30735082).

Almost surely, 2^61470163 is an apocalyptic number.

61470163 is a deficient number, since it is larger than the sum of its proper divisors (1).

61470163 is an equidigital number, since it uses as much as digits as its factorization.

61470163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 61470163 is about 7840.2910022524. The cubic root of 61470163 is about 394.6584945533.

Adding to 61470163 its reverse (36107416), we get a palindrome (97577579).

The spelling of 61470163 in words is "sixty-one million, four hundred seventy thousand, one hundred sixty-three".