61226449 has 2 divisors, whose sum is σ = 61226450. Its totient is φ = 61226448.

The previous prime is 61226411. The next prime is 61226461. The reversal of 61226449 is 94462216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33558849 + 27667600 = 5793^2 + 5260^2 .

It is a cyclic number.

It is not a de Polignac number, because 61226449 - 2¹³ = 61218257 is a prime.

It is not a weakly prime, because it can be changed into another prime (61226849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30613224 + 30613225.

It is an arithmetic number, because the mean of its divisors is an integer number (30613225).

Almost surely, 2^61226449 is an apocalyptic number.

It is an amenable number.

61226449 is a deficient number, since it is larger than the sum of its proper divisors (1).

61226449 is an equidigital number, since it uses as much as digits as its factorization.

61226449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 61226449 is about 7824.7331583895. The cubic root of 61226449 is about 394.1362292712.

The spelling of 61226449 in words is "sixty-one million, two hundred twenty-six thousand, four hundred forty-nine".