400071059 has 2 divisors, whose sum is σ = 400071060. Its totient is φ = 400071058.

The previous prime is 400071031. The next prime is 400071079. The reversal of 400071059 is 950170004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400071059 - 2¹⁶ = 400005523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (400071079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200035529 + 200035530.

It is an arithmetic number, because the mean of its divisors is an integer number (200035530).

Almost surely, 2^400071059 is an apocalyptic number.

400071059 is a deficient number, since it is larger than the sum of its proper divisors (1).

400071059 is an equidigital number, since it uses as much as digits as its factorization.

400071059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 400071059 is about 20001.7763961104. The cubic root of 400071059 is about 736.8499277438.

The spelling of 400071059 in words is "four hundred million, seventy-one thousand, fifty-nine".