551312205 has 32 divisors (see below), whose sum is σ = 899192448. Its totient is φ = 288364800.

The previous prime is 551312147. The next prime is 551312221. The reversal of 551312205 is 502213155.

It is a happy number.

551312205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551312205 - 2⁹ = 551311693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421162 + ... + 422468.

It is an arithmetic number, because the mean of its divisors is an integer number (28099764).

Almost surely, 2^551312205 is an apocalyptic number.

It is an amenable number.

551312205 is a deficient number, since it is larger than the sum of its proper divisors (347880243).

551312205 is a wasteful number, since it uses less digits than its factorization.

551312205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 551312205 is about 23480.0384369362. The cubic root of 551312205 is about 819.9723394397.

The spelling of 551312205 in words is "five hundred fifty-one million, three hundred twelve thousand, two hundred five".