551497 has 4 divisors (see below), whose sum is σ = 583956. Its totient is φ = 519040.

The previous prime is 551489. The next prime is 551503. The reversal of 551497 is 794155.

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 484416 + 67081 = 696^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 551497 - 2³ = 551489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16204 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (145989).

2⁵⁵¹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

551497 is a deficient number, since it is larger than the sum of its proper divisors (32459).

551497 is a wasteful number, since it uses less digits than its factorization.

551497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32458.

The product of its digits is 6300, while the sum is 31.

The square root of 551497 is about 742.6284400695. The cubic root of 551497 is about 82.0063945043.

The spelling of 551497 in words is "five hundred fifty-one thousand, four hundred ninety-seven".