61251241 has 2 divisors, whose sum is σ = 61251242. Its totient is φ = 61251240.

The previous prime is 61251191. The next prime is 61251247. The reversal of 61251241 is 14215216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42198016 + 19053225 = 6496^2 + 4365^2 .

It is a cyclic number.

It is not a de Polignac number, because 61251241 - 2¹¹ = 61249193 is a prime.

It is not a weakly prime, because it can be changed into another prime (61251247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30625620 + 30625621.

It is an arithmetic number, because the mean of its divisors is an integer number (30625621).

Almost surely, 2^61251241 is an apocalyptic number.

It is an amenable number.

61251241 is a deficient number, since it is larger than the sum of its proper divisors (1).

61251241 is an equidigital number, since it uses as much as digits as its factorization.

61251241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 61251241 is about 7826.3172054294. The cubic root of 61251241 is about 394.1894203727.

Adding to 61251241 its reverse (14215216), we get a palindrome (75466457).

The spelling of 61251241 in words is "sixty-one million, two hundred fifty-one thousand, two hundred forty-one".