247552 has 18 divisors (see below), whose sum is σ = 494648. Its totient is φ = 123648.

The previous prime is 247547. The next prime is 247553. The reversal of 247552 is 255742.

It is a super-2 number, since 2×247552² = 122563985408, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228 + ... + 739.

2²⁴⁷⁵⁵² is an apocalyptic number.

It is an amenable number.

247552 is a deficient number, since it is larger than the sum of its proper divisors (247096).

247552 is an frugal number, since it uses more digits than its factorization.

247552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 969 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 247552 is about 497.5459777749. The cubic root of 247552 is about 62.7897585636.

The spelling of 247552 in words is "two hundred forty-seven thousand, five hundred fifty-two".