405325087 has 2 divisors, whose sum is σ = 405325088. Its totient is φ = 405325086.

The previous prime is 405325007. The next prime is 405325117. The reversal of 405325087 is 780523504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405325087 - 2¹⁵ = 405292319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405325007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202662543 + 202662544.

It is an arithmetic number, because the mean of its divisors is an integer number (202662544).

Almost surely, 2^405325087 is an apocalyptic number.

405325087 is a deficient number, since it is larger than the sum of its proper divisors (1).

405325087 is an equidigital number, since it uses as much as digits as its factorization.

405325087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 405325087 is about 20132.6870288096. The cubic root of 405325087 is about 740.0615282417.

The spelling of 405325087 in words is "four hundred five million, three hundred twenty-five thousand, eighty-seven".