4006046257 has 2 divisors, whose sum is σ = 4006046258. Its totient is φ = 4006046256.

The previous prime is 4006046227. The next prime is 4006046263. The reversal of 4006046257 is 7526406004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3589927056 + 416119201 = 59916^2 + 20399^2 .

It is a cyclic number.

It is not a de Polignac number, because 4006046257 - 2¹⁹ = 4005521969 is a prime.

It is a super-2 number, since 2×4006046257² = 32096813226447420098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4006046227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003023128 + 2003023129.

It is an arithmetic number, because the mean of its divisors is an integer number (2003023129).

Almost surely, 2^4006046257 is an apocalyptic number.

It is an amenable number.

4006046257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006046257 is an equidigital number, since it uses as much as digits as its factorization.

4006046257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 4006046257 is about 63293.3350124640. The cubic root of 4006046257 is about 1588.2004688736.

The spelling of 4006046257 in words is "four billion, six million, forty-six thousand, two hundred fifty-seven".