405434453 has 4 divisors (see below), whose sum is σ = 406603200. Its totient is φ = 404265708.

The previous prime is 405434437. The next prime is 405434467. The reversal of 405434453 is 354434504.

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 not a de Polignac number, because 405434453 - 2⁴ = 405434437 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 (405434053) 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, 583853 + ... + 584546.

It is an arithmetic number, because the mean of its divisors is an integer number (101650800).

Almost surely, 2^405434453 is an apocalyptic number.

It is an amenable number.

405434453 is a deficient number, since it is larger than the sum of its proper divisors (1168747).

405434453 is a wasteful number, since it uses less digits than its factorization.

405434453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168746.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 405434453 is about 20135.4029758533. The cubic root of 405434453 is about 740.1280841110.

Adding to 405434453 its reverse (354434504), we get a palindrome (759868957).

The spelling of 405434453 in words is "four hundred five million, four hundred thirty-four thousand, four hundred fifty-three".