410001961 has 2 divisors, whose sum is σ = 410001962. Its totient is φ = 410001960.

The previous prime is 410001941. The next prime is 410001967. The reversal of 410001961 is 169100014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400760361 + 9241600 = 20019^2 + 3040^2 .

It is a cyclic number.

It is not a de Polignac number, because 410001961 - 2⁵ = 410001929 is a prime.

It is not a weakly prime, because it can be changed into another prime (410001967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205000980 + 205000981.

It is an arithmetic number, because the mean of its divisors is an integer number (205000981).

Almost surely, 2^410001961 is an apocalyptic number.

It is an amenable number.

410001961 is a deficient number, since it is larger than the sum of its proper divisors (1).

410001961 is an equidigital number, since it uses as much as digits as its factorization.

410001961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 410001961 is about 20248.5051547022. The cubic root of 410001961 is about 742.8970685483.

Adding to 410001961 its reverse (169100014), we get a palindrome (579101975).

The spelling of 410001961 in words is "four hundred ten million, one thousand, nine hundred sixty-one".