416854981 has 2 divisors, whose sum is σ = 416854982. Its totient is φ = 416854980.

The previous prime is 416854973. The next prime is 416855053. The reversal of 416854981 is 189458614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395612100 + 21242881 = 19890^2 + 4609^2 .

It is a cyclic number.

It is not a de Polignac number, because 416854981 - 2³ = 416854973 is a prime.

It is a super-2 number, since 2×416854981² = 347536150369020722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416854681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208427490 + 208427491.

It is an arithmetic number, because the mean of its divisors is an integer number (208427491).

Almost surely, 2^416854981 is an apocalyptic number.

It is an amenable number.

416854981 is a deficient number, since it is larger than the sum of its proper divisors (1).

416854981 is an equidigital number, since it uses as much as digits as its factorization.

416854981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 46.

The square root of 416854981 is about 20417.0267424030. The cubic root of 416854981 is about 747.0132958452.

The spelling of 416854981 in words is "four hundred sixteen million, eight hundred fifty-four thousand, nine hundred eighty-one".