551043525 has 36 divisors (see below), whose sum is σ = 967840832. Its totient is φ = 276591360.

The previous prime is 551043523. The next prime is 551043547. The reversal of 551043525 is 525340155.

It is a happy number.

It is not a de Polignac number, because 551043525 - 2¹ = 551043523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551043492 and 551043501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551043523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8964 + ... + 34386.

Almost surely, 2^551043525 is an apocalyptic number.

It is an amenable number.

551043525 is a deficient number, since it is larger than the sum of its proper divisors (416797307).

551043525 is a wasteful number, since it uses less digits than its factorization.

551043525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25470 (or 25448 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 551043525 is about 23474.3162839730. The cubic root of 551043525 is about 819.8391142817.

The spelling of 551043525 in words is "five hundred fifty-one million, forty-three thousand, five hundred twenty-five".