406258125 has 80 divisors (see below), whose sum is σ = 833433216. Its totient is φ = 171360000.

The previous prime is 406258123. The next prime is 406258183. The reversal of 406258125 is 521852604.

It is not a de Polignac number, because 406258125 - 2¹ = 406258123 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406258123) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 169435 + ... + 171815.

Almost surely, 2^406258125 is an apocalyptic number.

It is an amenable number.

406258125 is an abundant number, since it is smaller than the sum of its proper divisors (427175091).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406258125 is a wasteful number, since it uses less digits than its factorization.

406258125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2409 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 406258125 is about 20155.8459261823. The cubic root of 406258125 is about 740.6289545624.

The spelling of 406258125 in words is "four hundred six million, two hundred fifty-eight thousand, one hundred twenty-five".