61297241 has 2 divisors, whose sum is σ = 61297242. Its totient is φ = 61297240.

The previous prime is 61297217. The next prime is 61297273. The reversal of 61297241 is 14279216.

It is a happy number.

It is an a-pointer prime, because the next prime (61297273) can be obtained adding 61297241 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59059225 + 2238016 = 7685^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 61297241 - 2⁶ = 61297177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61297198 and 61297207.

It is not a weakly prime, because it can be changed into another prime (61296241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30648620 + 30648621.

It is an arithmetic number, because the mean of its divisors is an integer number (30648621).

Almost surely, 2^61297241 is an apocalyptic number.

It is an amenable number.

61297241 is a deficient number, since it is larger than the sum of its proper divisors (1).

61297241 is an equidigital number, since it uses as much as digits as its factorization.

61297241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 61297241 is about 7829.2554562998. The cubic root of 61297241 is about 394.2880751139.

The spelling of 61297241 in words is "sixty-one million, two hundred ninety-seven thousand, two hundred forty-one".