406504425 has 48 divisors (see below), whose sum is σ = 714811392. Its totient is φ = 203136000.

The previous prime is 406504421. The next prime is 406504429. The reversal of 406504425 is 524405604.

It is an interprime number because it is at equal distance from previous prime (406504421) and next prime (406504429).

It is not a de Polignac number, because 406504425 - 2² = 406504421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406504392 and 406504401.

It is not an unprimeable number, because it can be changed into a prime (406504421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 352600 + ... + 353750.

It is an arithmetic number, because the mean of its divisors is an integer number (14891904).

Almost surely, 2^406504425 is an apocalyptic number.

It is an amenable number.

406504425 is a deficient number, since it is larger than the sum of its proper divisors (308306967).

406504425 is a wasteful number, since it uses less digits than its factorization.

406504425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 406504425 is about 20161.9548903374. The cubic root of 406504425 is about 740.7785967466.

The spelling of 406504425 in words is "four hundred six million, five hundred four thousand, four hundred twenty-five".