406551875 has 10 divisors (see below), whose sum is σ = 508028004. Its totient is φ = 325241000.

The previous prime is 406551869. The next prime is 406551877. The reversal of 406551875 is 578155604.

406551875 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 406551875 - 2²⁰ = 405503299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406551877) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 324617 + ... + 325866.

Almost surely, 2^406551875 is an apocalyptic number.

406551875 is a deficient number, since it is larger than the sum of its proper divisors (101476129).

406551875 is an frugal number, since it uses more digits than its factorization.

406551875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650503 (or 650488 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 406551875 is about 20163.1315772129. The cubic root of 406551875 is about 740.8074185541.

The spelling of 406551875 in words is "four hundred six million, five hundred fifty-one thousand, eight hundred seventy-five".