410042981 has 2 divisors, whose sum is σ = 410042982. Its totient is φ = 410042980.

The previous prime is 410042957. The next prime is 410042999. The reversal of 410042981 is 189240014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390418081 + 19624900 = 19759^2 + 4430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-410042981 is a prime.

It is a super-2 number, since 2×410042981² = 336270492534732722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410045981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205021490 + 205021491.

It is an arithmetic number, because the mean of its divisors is an integer number (205021491).

Almost surely, 2^410042981 is an apocalyptic number.

It is an amenable number.

410042981 is a deficient number, since it is larger than the sum of its proper divisors (1).

410042981 is an equidigital number, since it uses as much as digits as its factorization.

410042981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 410042981 is about 20249.5180436474. The cubic root of 410042981 is about 742.9218429189.

Adding to 410042981 its reverse (189240014), we get a palindrome (599282995).

The spelling of 410042981 in words is "four hundred ten million, forty-two thousand, nine hundred eighty-one".