61803361 has 2 divisors, whose sum is σ = 61803362. Its totient is φ = 61803360.

The previous prime is 61803349. The next prime is 61803383. The reversal of 61803361 is 16330816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 10595025 = 7156^2 + 3255^2 .

It is a cyclic number.

It is not a de Polignac number, because 61803361 - 2⁷ = 61803233 is a prime.

It is not a weakly prime, because it can be changed into another prime (61803331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30901680 + 30901681.

It is an arithmetic number, because the mean of its divisors is an integer number (30901681).

Almost surely, 2^61803361 is an apocalyptic number.

It is an amenable number.

61803361 is a deficient number, since it is larger than the sum of its proper divisors (1).

61803361 is an equidigital number, since it uses as much as digits as its factorization.

61803361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 61803361 is about 7861.5113686873. The cubic root of 61803361 is about 395.3702899501.

The spelling of 61803361 in words is "sixty-one million, eight hundred three thousand, three hundred sixty-one".