406376325 has 24 divisors (see below), whose sum is σ = 746529600. Its totient is φ = 216733680.

The previous prime is 406376323. The next prime is 406376329. The reversal of 406376325 is 523673604.

It is not a de Polignac number, because 406376325 - 2¹ = 406376323 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 406376325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406376323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300345 + ... + 301694.

It is an arithmetic number, because the mean of its divisors is an integer number (31105400).

Almost surely, 2^406376325 is an apocalyptic number.

406376325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

406376325 is a deficient number, since it is larger than the sum of its proper divisors (340153275).

406376325 is a wasteful number, since it uses less digits than its factorization.

406376325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602058 (or 602047 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 406376325 is about 20158.7778647417. Note that the first 3 decimals coincide. The cubic root of 406376325 is about 740.7007757751.

The spelling of 406376325 in words is "four hundred six million, three hundred seventy-six thousand, three hundred twenty-five".