405013061 has 2 divisors, whose sum is σ = 405013062. Its totient is φ = 405013060.

The previous prime is 405013031. The next prime is 405013067. The reversal of 405013061 is 160310504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350400961 + 54612100 = 18719^2 + 7390^2 .

It is a cyclic number.

It is not a de Polignac number, because 405013061 - 2¹⁴ = 404996677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405013067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202506530 + 202506531.

It is an arithmetic number, because the mean of its divisors is an integer number (202506531).

Almost surely, 2^405013061 is an apocalyptic number.

It is an amenable number.

405013061 is a deficient number, since it is larger than the sum of its proper divisors (1).

405013061 is an equidigital number, since it uses as much as digits as its factorization.

405013061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 405013061 is about 20124.9362980358. The cubic root of 405013061 is about 739.8715755953.

Adding to 405013061 its reverse (160310504), we get a palindrome (565323565).

The spelling of 405013061 in words is "four hundred five million, thirteen thousand, sixty-one".