4241401561 has 2 divisors, whose sum is σ = 4241401562. Its totient is φ = 4241401560.

The previous prime is 4241401531. The next prime is 4241401607. The reversal of 4241401561 is 1651041424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3135440025 + 1105961536 = 55995^2 + 33256^2 .

It is a cyclic number.

It is not a de Polignac number, because 4241401561 - 2⁹ = 4241401049 is a prime.

It is not a weakly prime, because it can be changed into another prime (4241401511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120700780 + 2120700781.

It is an arithmetic number, because the mean of its divisors is an integer number (2120700781).

Almost surely, 2^4241401561 is an apocalyptic number.

It is an amenable number.

4241401561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4241401561 is an equidigital number, since it uses as much as digits as its factorization.

4241401561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4241401561 is about 65126.0436461482. The cubic root of 4241401561 is about 1618.7127864792.

Adding to 4241401561 its reverse (1651041424), we get a palindrome (5892442985).

The spelling of 4241401561 in words is "four billion, two hundred forty-one million, four hundred one thousand, five hundred sixty-one".