525551223 has 8 divisors (see below), whose sum is σ = 701995248. Its totient is φ = 349737344.

The previous prime is 525551197. The next prime is 525551231. The reversal of 525551223 is 322155525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525551223 - 2²⁶ = 458442359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525551023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155586 + ... + 158927.

It is an arithmetic number, because the mean of its divisors is an integer number (87749406).

Almost surely, 2^525551223 is an apocalyptic number.

525551223 is a deficient number, since it is larger than the sum of its proper divisors (176444025).

525551223 is a wasteful number, since it uses less digits than its factorization.

525551223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315073.

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

The square root of 525551223 is about 22924.9039910749. The cubic root of 525551223 is about 806.9965604407.

The spelling of 525551223 in words is "five hundred twenty-five million, five hundred fifty-one thousand, two hundred twenty-three".