61226461 has 2 divisors, whose sum is σ = 61226462. Its totient is φ = 61226460.

The previous prime is 61226449. The next prime is 61226467. The reversal of 61226461 is 16462216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 15920100 = 6731^2 + 3990^2 .

It is a cyclic number.

It is not a de Polignac number, because 61226461 - 2⁹ = 61225949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61226467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30613230 + 30613231.

It is an arithmetic number, because the mean of its divisors is an integer number (30613231).

Almost surely, 2^61226461 is an apocalyptic number.

It is an amenable number.

61226461 is a deficient number, since it is larger than the sum of its proper divisors (1).

61226461 is an equidigital number, since it uses as much as digits as its factorization.

61226461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 61226461 is about 7824.7339251888. The cubic root of 61226461 is about 394.1362550206.

Adding to 61226461 its reverse (16462216), we get a palindrome (77688677).

The spelling of 61226461 in words is "sixty-one million, two hundred twenty-six thousand, four hundred sixty-one".