61790063 has 2 divisors, whose sum is σ = 61790064. Its totient is φ = 61790062.

The previous prime is 61790021. The next prime is 61790077. The reversal of 61790063 is 36009716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61790063 - 2⁶ = 61789999 is a 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 (61790863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30895031 + 30895032.

It is an arithmetic number, because the mean of its divisors is an integer number (30895032).

Almost surely, 2^61790063 is an apocalyptic number.

61790063 is a deficient number, since it is larger than the sum of its proper divisors (1).

61790063 is an equidigital number, since it uses as much as digits as its factorization.

61790063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 61790063 is about 7860.6655570632. The cubic root of 61790063 is about 395.3419311296.

Adding to 61790063 its reverse (36009716), we get a palindrome (97799779).

The spelling of 61790063 in words is "sixty-one million, seven hundred ninety thousand, sixty-three".