61115053 has 2 divisors, whose sum is σ = 61115054. Its totient is φ = 61115052.

The previous prime is 61115029. The next prime is 61115063. The reversal of 61115053 is 35051116.

61115053 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., 37124649 + 23990404 = 6093^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 61115053 - 2¹³ = 61106861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61115023) 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, 30557526 + 30557527.

It is an arithmetic number, because the mean of its divisors is an integer number (30557527).

Almost surely, 2^61115053 is an apocalyptic number.

It is an amenable number.

61115053 is a deficient number, since it is larger than the sum of its proper divisors (1).

61115053 is an equidigital number, since it uses as much as digits as its factorization.

61115053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 61115053 is about 7817.6117197006. The cubic root of 61115053 is about 393.8970523891.

Adding to 61115053 its reverse (35051116), we get a palindrome (96166169).

The spelling of 61115053 in words is "sixty-one million, one hundred fifteen thousand, fifty-three".