61223417 has 2 divisors, whose sum is σ = 61223418. Its totient is φ = 61223416.

The previous prime is 61223413. The next prime is 61223423. The reversal of 61223417 is 71432216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59274601 + 1948816 = 7699^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 61223417 - 2² = 61223413 is a prime.

It is not a weakly prime, because it can be changed into another prime (61223411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30611708 + 30611709.

It is an arithmetic number, because the mean of its divisors is an integer number (30611709).

Almost surely, 2^61223417 is an apocalyptic number.

It is an amenable number.

61223417 is a deficient number, since it is larger than the sum of its proper divisors (1).

61223417 is an equidigital number, since it uses as much as digits as its factorization.

61223417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 61223417 is about 7824.5394113647. The cubic root of 61223417 is about 394.1297231463.

The spelling of 61223417 in words is "sixty-one million, two hundred twenty-three thousand, four hundred seventeen".