405465061 has 2 divisors, whose sum is σ = 405465062. Its totient is φ = 405465060.

The previous prime is 405465029. The next prime is 405465083. The reversal of 405465061 is 160564504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402804900 + 2660161 = 20070^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 405465061 - 2⁵ = 405465029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405465161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202732530 + 202732531.

It is an arithmetic number, because the mean of its divisors is an integer number (202732531).

Almost surely, 2^405465061 is an apocalyptic number.

It is an amenable number.

405465061 is a deficient number, since it is larger than the sum of its proper divisors (1).

405465061 is an equidigital number, since it uses as much as digits as its factorization.

405465061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 405465061 is about 20136.1630158280. The cubic root of 405465061 is about 740.1467087988.

The spelling of 405465061 in words is "four hundred five million, four hundred sixty-five thousand, sixty-one".