61744201 has 2 divisors, whose sum is σ = 61744202. Its totient is φ = 61744200.

The previous prime is 61744181. The next prime is 61744211. The reversal of 61744201 is 10244716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 21864976 = 6315^2 + 4676^2 .

It is a cyclic number.

It is not a de Polignac number, because 61744201 - 2⁵ = 61744169 is a prime.

It is not a weakly prime, because it can be changed into another prime (61744211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30872100 + 30872101.

It is an arithmetic number, because the mean of its divisors is an integer number (30872101).

Almost surely, 2^61744201 is an apocalyptic number.

It is an amenable number.

61744201 is a deficient number, since it is larger than the sum of its proper divisors (1).

61744201 is an equidigital number, since it uses as much as digits as its factorization.

61744201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 61744201 is about 7857.7478325535. The cubic root of 61744201 is about 395.2440963085.

Adding to 61744201 its reverse (10244716), we get a palindrome (71988917).

The spelling of 61744201 in words is "sixty-one million, seven hundred forty-four thousand, two hundred one".