61118053 has 2 divisors, whose sum is σ = 61118054. Its totient is φ = 61118052.

The previous prime is 61118033. The next prime is 61118069. The reversal of 61118053 is 35081116.

61118053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58706244 + 2411809 = 7662^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 61118053 - 2⁹ = 61117541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61118023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30559026 + 30559027.

It is an arithmetic number, because the mean of its divisors is an integer number (30559027).

Almost surely, 2^61118053 is an apocalyptic number.

It is an amenable number.

61118053 is a deficient number, since it is larger than the sum of its proper divisors (1).

61118053 is an equidigital number, since it uses as much as digits as its factorization.

61118053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 61118053 is about 7817.8035918025. The cubic root of 61118053 is about 393.9034974560.

Adding to 61118053 its reverse (35081116), we get a palindrome (96199169).

The spelling of 61118053 in words is "sixty-one million, one hundred eighteen thousand, fifty-three".