61945063 has 2 divisors, whose sum is σ = 61945064. Its totient is φ = 61945062.

The previous prime is 61945061. The next prime is 61945109. The reversal of 61945063 is 36054916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61945063 - 2¹ = 61945061 is a prime.

Together with 61945061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61945061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30972531 + 30972532.

It is an arithmetic number, because the mean of its divisors is an integer number (30972532).

Almost surely, 2^61945063 is an apocalyptic number.

61945063 is a deficient number, since it is larger than the sum of its proper divisors (1).

61945063 is an equidigital number, since it uses as much as digits as its factorization.

61945063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 61945063 is about 7870.5185979070. The cubic root of 61945063 is about 395.6722260516.

Adding to 61945063 its reverse (36054916), we get a palindrome (97999979).

The spelling of 61945063 in words is "sixty-one million, nine hundred forty-five thousand, sixty-three".