61614121 has 2 divisors, whose sum is σ = 61614122. Its totient is φ = 61614120.

The previous prime is 61614101. The next prime is 61614167. The reversal of 61614121 is 12141616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46090521 + 15523600 = 6789^2 + 3940^2 .

It is a cyclic number.

It is not a de Polignac number, because 61614121 - 2¹⁷ = 61483049 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 61614092 and 61614101.

It is not a weakly prime, because it can be changed into another prime (61614101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30807060 + 30807061.

It is an arithmetic number, because the mean of its divisors is an integer number (30807061).

Almost surely, 2^61614121 is an apocalyptic number.

It is an amenable number.

61614121 is a deficient number, since it is larger than the sum of its proper divisors (1).

61614121 is an equidigital number, since it uses as much as digits as its factorization.

61614121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 61614121 is about 7849.4662875892. The cubic root of 61614121 is about 394.9663401323.

Adding to 61614121 its reverse (12141616), we get a palindrome (73755737).

The spelling of 61614121 in words is "sixty-one million, six hundred fourteen thousand, one hundred twenty-one".