551025 has 36 divisors (see below), whose sum is σ = 1031680. Its totient is φ = 280800.

The previous prime is 551017. The next prime is 551027. The reversal of 551025 is 520155.

It is not a de Polignac number, because 551025 - 2³ = 551017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550989 and 551007.

It is not an unprimeable number, because it can be changed into a prime (551027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6936 + ... + 7014.

2⁵⁵¹⁰²⁵ is an apocalyptic number.

It is an amenable number.

551025 is a deficient number, since it is larger than the sum of its proper divisors (480655).

551025 is a wasteful number, since it uses less digits than its factorization.

551025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 551025 is about 742.3105818995. The cubic root of 551025 is about 81.9829927052.

The spelling of 551025 in words is "five hundred fifty-one thousand, twenty-five".