247482485 has 4 divisors (see below), whose sum is σ = 296978988. Its totient is φ = 197985984.

The previous prime is 247482463. The next prime is 247482497. The reversal of 247482485 is 584284742.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150381169 + 97101316 = 12263^2 + 9854^2 .

It is a cyclic number.

It is not a de Polignac number, because 247482485 - 2⁸ = 247482229 is a prime.

It is a super-2 number, since 2×247482485² = 122495160763550450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24748244 + ... + 24748253.

It is an arithmetic number, because the mean of its divisors is an integer number (74244747).

Almost surely, 2^247482485 is an apocalyptic number.

It is an amenable number.

247482485 is a deficient number, since it is larger than the sum of its proper divisors (49496503).

247482485 is an equidigital number, since it uses as much as digits as its factorization.

247482485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49496502.

The product of its digits is 573440, while the sum is 44.

The square root of 247482485 is about 15731.5760494618. The cubic root of 247482485 is about 627.8388068919.

The spelling of 247482485 in words is "two hundred forty-seven million, four hundred eighty-two thousand, four hundred eighty-five".