405001425 has 12 divisors (see below), whose sum is σ = 669602480. Its totient is φ = 216000720.

The previous prime is 405001393. The next prime is 405001447. The reversal of 405001425 is 524100504.

It is not a de Polignac number, because 405001425 - 2⁵ = 405001393 is a prime.

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, 2699935 + ... + 2700084.

Almost surely, 2^405001425 is an apocalyptic number.

It is an amenable number.

405001425 is a deficient number, since it is larger than the sum of its proper divisors (264601055).

405001425 is a wasteful number, since it uses less digits than its factorization.

405001425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400032 (or 5400027 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 405001425 is about 20124.6472018766. The cubic root of 405001425 is about 739.8644900394.

Adding to 405001425 its reverse (524100504), we get a palindrome (929101929).

The spelling of 405001425 in words is "four hundred five million, one thousand, four hundred twenty-five".