61345363 has 2 divisors, whose sum is σ = 61345364. Its totient is φ = 61345362.

The previous prime is 61345351. The next prime is 61345369. The reversal of 61345363 is 36354316.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61345363 is a prime.

It is not a weakly prime, because it can be changed into another prime (61345369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30672681 + 30672682.

It is an arithmetic number, because the mean of its divisors is an integer number (30672682).

Almost surely, 2^61345363 is an apocalyptic number.

61345363 is a deficient number, since it is larger than the sum of its proper divisors (1).

61345363 is an equidigital number, since it uses as much as digits as its factorization.

61345363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

The square root of 61345363 is about 7832.3280702483. The cubic root of 61345363 is about 394.3912280312.

Adding to 61345363 its reverse (36354316), we get a palindrome (97699679).

The spelling of 61345363 in words is "sixty-one million, three hundred forty-five thousand, three hundred sixty-three".