247982255 has 16 divisors (see below), whose sum is σ = 300736800. Its totient is φ = 196291200.

The previous prime is 247982249. The next prime is 247982257. The reversal of 247982255 is 552289742.

It is not a de Polignac number, because 247982255 - 2⁴ = 247982239 is a prime.

It is a super-2 number, since 2×247982255² = 122990397589770050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247982257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353405 + ... + 354105.

It is an arithmetic number, because the mean of its divisors is an integer number (18796050).

Almost surely, 2^247982255 is an apocalyptic number.

247982255 is a deficient number, since it is larger than the sum of its proper divisors (52754545).

247982255 is a wasteful number, since it uses less digits than its factorization.

247982255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its digits is 403200, while the sum is 44.

The square root of 247982255 is about 15747.4523336316. The cubic root of 247982255 is about 628.2611452285.

The spelling of 247982255 in words is "two hundred forty-seven million, nine hundred eighty-two thousand, two hundred fifty-five".