551525345 has 16 divisors (see below), whose sum is σ = 763726080. Its totient is φ = 374514624.

The previous prime is 551525323. The next prime is 551525357. The reversal of 551525345 is 543525155.

It is a cyclic number.

It is not a de Polignac number, because 551525345 - 2²⁸ = 283089889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72890 + ... + 80099.

It is an arithmetic number, because the mean of its divisors is an integer number (47732880).

Almost surely, 2^551525345 is an apocalyptic number.

It is an amenable number.

551525345 is a deficient number, since it is larger than the sum of its proper divisors (212200735).

551525345 is a wasteful number, since it uses less digits than its factorization.

551525345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153104.

The product of its digits is 75000, while the sum is 35.

The square root of 551525345 is about 23484.5767473038. The cubic root of 551525345 is about 820.0779942668.

The spelling of 551525345 in words is "five hundred fifty-one million, five hundred twenty-five thousand, three hundred forty-five".