61115363 has 2 divisors, whose sum is σ = 61115364. Its totient is φ = 61115362.

The previous prime is 61115333. The next prime is 61115377. The reversal of 61115363 is 36351116.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61115363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61115333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30557681 + 30557682.

It is an arithmetic number, because the mean of its divisors is an integer number (30557682).

Almost surely, 2^61115363 is an apocalyptic number.

61115363 is a deficient number, since it is larger than the sum of its proper divisors (1).

61115363 is an equidigital number, since it uses as much as digits as its factorization.

61115363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 61115363 is about 7817.6315467026. The cubic root of 61115363 is about 393.8977183891.

Adding to 61115363 its reverse (36351116), we get a palindrome (97466479).

The spelling of 61115363 in words is "sixty-one million, one hundred fifteen thousand, three hundred sixty-three".