551342405 has 8 divisors (see below), whose sum is σ = 661802784. Its totient is φ = 440946000.

The previous prime is 551342381. The next prime is 551342443. The reversal of 551342405 is 504243155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551342405 - 2⁸ = 551342149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5630 + ... + 33680.

It is an arithmetic number, because the mean of its divisors is an integer number (82725348).

Almost surely, 2^551342405 is an apocalyptic number.

It is an amenable number.

551342405 is a deficient number, since it is larger than the sum of its proper divisors (110460379).

551342405 is a wasteful number, since it uses less digits than its factorization.

551342405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31987.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 551342405 is about 23480.6815275877. The cubic root of 551342405 is about 819.9873114237.

The spelling of 551342405 in words is "five hundred fifty-one million, three hundred forty-two thousand, four hundred five".