406674253 has 4 divisors (see below), whose sum is σ = 408175168. Its totient is φ = 405173340.

The previous prime is 406674241. The next prime is 406674259. The reversal of 406674253 is 352476604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406674253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406674259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750051 + ... + 750592.

It is an arithmetic number, because the mean of its divisors is an integer number (102043792).

Almost surely, 2^406674253 is an apocalyptic number.

It is an amenable number.

406674253 is a deficient number, since it is larger than the sum of its proper divisors (1500915).

406674253 is a wasteful number, since it uses less digits than its factorization.

406674253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500914.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 406674253 is about 20166.1660461279. The cubic root of 406674253 is about 740.8817423497.

The spelling of 406674253 in words is "four hundred six million, six hundred seventy-four thousand, two hundred fifty-three".