523272557 has 8 divisors (see below), whose sum is σ = 529599840. Its totient is φ = 516980880.

The previous prime is 523272553. The next prime is 523272571. The reversal of 523272557 is 755272325.

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 523272557 - 2² = 523272553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523272557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523272553) 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, 21278 + ... + 38720.

It is an arithmetic number, because the mean of its divisors is an integer number (66199980).

Almost surely, 2^523272557 is an apocalyptic number.

It is an amenable number.

523272557 is a deficient number, since it is larger than the sum of its proper divisors (6327283).

523272557 is a wasteful number, since it uses less digits than its factorization.

523272557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17803.

The product of its digits is 147000, while the sum is 38.

The square root of 523272557 is about 22875.1515186239. The cubic root of 523272557 is about 805.8285552381.

The spelling of 523272557 in words is "five hundred twenty-three million, two hundred seventy-two thousand, five hundred fifty-seven".