405701047 has 2 divisors, whose sum is σ = 405701048. Its totient is φ = 405701046.

The previous prime is 405701003. The next prime is 405701063. The reversal of 405701047 is 740107504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405701047 - 2¹⁵ = 405668279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405708047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202850523 + 202850524.

It is an arithmetic number, because the mean of its divisors is an integer number (202850524).

Almost surely, 2^405701047 is an apocalyptic number.

405701047 is a deficient number, since it is larger than the sum of its proper divisors (1).

405701047 is an equidigital number, since it uses as much as digits as its factorization.

405701047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 405701047 is about 20142.0219193605. The cubic root of 405701047 is about 740.2902726578.

The spelling of 405701047 in words is "four hundred five million, seven hundred one thousand, forty-seven".