416071261 has 2 divisors, whose sum is σ = 416071262. Its totient is φ = 416071260.

The previous prime is 416071247. The next prime is 416071297. The reversal of 416071261 is 162170614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415915236 + 156025 = 20394^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 416071261 - 2⁹ = 416070749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416071211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208035630 + 208035631.

It is an arithmetic number, because the mean of its divisors is an integer number (208035631).

Almost surely, 2^416071261 is an apocalyptic number.

It is an amenable number.

416071261 is a deficient number, since it is larger than the sum of its proper divisors (1).

416071261 is an equidigital number, since it uses as much as digits as its factorization.

416071261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 416071261 is about 20397.8249085534. The cubic root of 416071261 is about 746.5448543268.

The spelling of 416071261 in words is "four hundred sixteen million, seventy-one thousand, two hundred sixty-one".