405453297 has 4 divisors (see below), whose sum is σ = 540604400. Its totient is φ = 270302196.

The previous prime is 405453283. The next prime is 405453299. The reversal of 405453297 is 792354504.

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 not a de Polignac number, because 405453297 - 2¹⁰ = 405452273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405453299) 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, 67575547 + ... + 67575552.

It is an arithmetic number, because the mean of its divisors is an integer number (135151100).

Almost surely, 2^405453297 is an apocalyptic number.

It is an amenable number.

405453297 is a deficient number, since it is larger than the sum of its proper divisors (135151103).

405453297 is a wasteful number, since it uses less digits than its factorization.

405453297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135151102.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 405453297 is about 20135.8709024467. The cubic root of 405453297 is about 740.1395506234.

The spelling of 405453297 in words is "four hundred five million, four hundred fifty-three thousand, two hundred ninety-seven".