405315425 has 12 divisors (see below), whose sum is σ = 508955520. Its totient is φ = 320146320.

The previous prime is 405315419. The next prime is 405315431. The reversal of 405315425 is 524513504.

It is an interprime number because it is at equal distance from previous prime (405315419) and next prime (405315431).

It is not a de Polignac number, because 405315425 - 2¹⁰ = 405314401 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 100637 + ... + 104586.

It is an arithmetic number, because the mean of its divisors is an integer number (42412960).

Almost surely, 2^405315425 is an apocalyptic number.

It is an amenable number.

405315425 is a deficient number, since it is larger than the sum of its proper divisors (103640095).

405315425 is a wasteful number, since it uses less digits than its factorization.

405315425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205312 (or 205307 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 405315425 is about 20132.4470693455. The cubic root of 405315425 is about 740.0556477509.

Adding to 405315425 its reverse (524513504), we get a palindrome (929828929).

The spelling of 405315425 in words is "four hundred five million, three hundred fifteen thousand, four hundred twenty-five".