406969553 has 4 divisors (see below), whose sum is σ = 407021988. Its totient is φ = 406917120.

The previous prime is 406969547. The next prime is 406969561. The reversal of 406969553 is 355969604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238177489 + 168792064 = 15433^2 + 12992^2 .

It is a cyclic number.

It is not a de Polignac number, because 406969553 - 2¹² = 406965457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406969498 and 406969507.

It is not an unprimeable number, because it can be changed into a prime (406969513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12008 + ... + 30953.

It is an arithmetic number, because the mean of its divisors is an integer number (101755497).

Almost surely, 2^406969553 is an apocalyptic number.

It is an amenable number.

406969553 is a deficient number, since it is larger than the sum of its proper divisors (52435).

406969553 is an equidigital number, since it uses as much as digits as its factorization.

406969553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52434.

The product of its (nonzero) digits is 874800, while the sum is 47.

The square root of 406969553 is about 20173.4863868395. The cubic root of 406969553 is about 741.0610254353.

The spelling of 406969553 in words is "four hundred six million, nine hundred sixty-nine thousand, five hundred fifty-three".