61310363 has 2 divisors, whose sum is σ = 61310364. Its totient is φ = 61310362.

The previous prime is 61310339. The next prime is 61310401. The reversal of 61310363 is 36301316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61310363 - 2⁶ = 61310299 is a prime.

It is a super-2 number, since 2×61310363² = 7517921222383538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_3635222 and since 61310363 and 3635222 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 (61315363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30655181 + 30655182.

It is an arithmetic number, because the mean of its divisors is an integer number (30655182).

Almost surely, 2^61310363 is an apocalyptic number.

61310363 is a deficient number, since it is larger than the sum of its proper divisors (1).

61310363 is an equidigital number, since it uses as much as digits as its factorization.

61310363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 61310363 is about 7830.0934221758. The cubic root of 61310363 is about 394.3162084028.

Adding to 61310363 its reverse (36301316), we get a palindrome (97611679).

The spelling of 61310363 in words is "sixty-one million, three hundred ten thousand, three hundred sixty-three".