406432125 has 48 divisors (see below), whose sum is σ = 799291584. Its totient is φ = 197052000.

The previous prime is 406432121. The next prime is 406432133. The reversal of 406432125 is 521234604.

406432125 is a `hidden beast` number, since 4 + 0 + 643 + 2 + 12 + 5 = 666.

It is not a de Polignac number, because 406432125 - 2² = 406432121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406432121) 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, 4047 + ... + 28796.

It is an arithmetic number, because the mean of its divisors is an integer number (16651908).

Almost surely, 2^406432125 is an apocalyptic number.

406432125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

406432125 is a deficient number, since it is larger than the sum of its proper divisors (392859459).

406432125 is a wasteful number, since it uses less digits than its factorization.

406432125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32875 (or 32862 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 406432125 is about 20160.1618297076. The cubic root of 406432125 is about 740.7346763817.

Adding to 406432125 its reverse (521234604), we get a palindrome (927666729).

The spelling of 406432125 in words is "four hundred six million, four hundred thirty-two thousand, one hundred twenty-five".