405452453 has 16 divisors (see below), whose sum is σ = 469991424. Its totient is φ = 342604080.

The previous prime is 405452447. The next prime is 405452471. The reversal of 405452453 is 354254504.

It is not a de Polignac number, because 405452453 - 2⁶ = 405452389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405452413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147098 + ... + 149828.

It is an arithmetic number, because the mean of its divisors is an integer number (29374464).

Almost surely, 2^405452453 is an apocalyptic number.

It is an amenable number.

405452453 is a deficient number, since it is larger than the sum of its proper divisors (64538971).

405452453 is a wasteful number, since it uses less digits than its factorization.

405452453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 405452453 is about 20135.8499448124. The cubic root of 405452453 is about 740.1390370598.

The spelling of 405452453 in words is "four hundred five million, four hundred fifty-two thousand, four hundred fifty-three".