405142063 has 2 divisors, whose sum is σ = 405142064. Its totient is φ = 405142062.

The previous prime is 405142061. The next prime is 405142081. The reversal of 405142063 is 360241504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405142063 - 2¹ = 405142061 is a prime.

Together with 405142061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405142061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202571031 + 202571032.

It is an arithmetic number, because the mean of its divisors is an integer number (202571032).

Almost surely, 2^405142063 is an apocalyptic number.

405142063 is a deficient number, since it is larger than the sum of its proper divisors (1).

405142063 is an equidigital number, since it uses as much as digits as its factorization.

405142063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 405142063 is about 20128.1410716439. The cubic root of 405142063 is about 739.9501202074.

Adding to 405142063 its reverse (360241504), we get a palindrome (765383567).

The spelling of 405142063 in words is "four hundred five million, one hundred forty-two thousand, sixty-three".