405412653 has 4 divisors (see below), whose sum is σ = 540550208. Its totient is φ = 270275100.

The previous prime is 405412639. The next prime is 405412681. The reversal of 405412653 is 356214504.

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 405412653 - 2²⁶ = 338303789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 405412653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405412603) 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, 67568773 + ... + 67568778.

It is an arithmetic number, because the mean of its divisors is an integer number (135137552).

Almost surely, 2^405412653 is an apocalyptic number.

It is an amenable number.

405412653 is a deficient number, since it is larger than the sum of its proper divisors (135137555).

405412653 is a wasteful number, since it uses less digits than its factorization.

405412653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135137554.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 405412653 is about 20134.8616334953. The cubic root of 405412653 is about 740.1148184390.

The spelling of 405412653 in words is "four hundred five million, four hundred twelve thousand, six hundred fifty-three".