406082291 has 2 divisors, whose sum is σ = 406082292. Its totient is φ = 406082290.

The previous prime is 406082267. The next prime is 406082333. The reversal of 406082291 is 192280604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406082291 - 2²² = 401887987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (406082221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203041145 + 203041146.

It is an arithmetic number, because the mean of its divisors is an integer number (203041146).

Almost surely, 2^406082291 is an apocalyptic number.

406082291 is a deficient number, since it is larger than the sum of its proper divisors (1).

406082291 is an equidigital number, since it uses as much as digits as its factorization.

406082291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 406082291 is about 20151.4835930261. The cubic root of 406082291 is about 740.5220877403.

The spelling of 406082291 in words is "four hundred six million, eighty-two thousand, two hundred ninety-one".