61802063 has 2 divisors, whose sum is σ = 61802064. Its totient is φ = 61802062.

The previous prime is 61802011. The next prime is 61802113. The reversal of 61802063 is 36020816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61802063 - 2⁸ = 61801807 is a prime.

It is equal to p_3662540 and since 61802063 and 3662540 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61802563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30901031 + 30901032.

It is an arithmetic number, because the mean of its divisors is an integer number (30901032).

Almost surely, 2^61802063 is an apocalyptic number.

61802063 is a deficient number, since it is larger than the sum of its proper divisors (1).

61802063 is an equidigital number, since it uses as much as digits as its factorization.

61802063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 61802063 is about 7861.4288141533. The cubic root of 61802063 is about 395.3675220627.

Adding to 61802063 its reverse (36020816), we get a palindrome (97822879).

The spelling of 61802063 in words is "sixty-one million, eight hundred two thousand, sixty-three".