405425125 has 16 divisors (see below), whose sum is σ = 578253312. Its totient is φ = 278005200.

The previous prime is 405425101. The next prime is 405425131. The reversal of 405425125 is 521524504.

It is not a de Polignac number, because 405425125 - 2²¹ = 403327973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405425093 and 405425102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230797 + ... + 232546.

It is an arithmetic number, because the mean of its divisors is an integer number (36140832).

Almost surely, 2^405425125 is an apocalyptic number.

It is an amenable number.

405425125 is a deficient number, since it is larger than the sum of its proper divisors (172828187).

405425125 is an equidigital number, since it uses as much as digits as its factorization.

405425125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463365 (or 463355 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 405425125 is about 20135.1713427028. The cubic root of 405425125 is about 740.1224079221.

Adding to 405425125 its reverse (521524504), we get a palindrome (926949629).

The spelling of 405425125 in words is "four hundred five million, four hundred twenty-five thousand, one hundred twenty-five".