247713125 has 40 divisors (see below), whose sum is σ = 341440704. Its totient is φ = 178160000.

The previous prime is 247713121. The next prime is 247713133. The reversal of 247713125 is 521317742.

It is not a de Polignac number, because 247713125 - 2² = 247713121 is a prime.

It is a super-2 number, since 2×247713125² = 122723584594531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247713091 and 247713100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247713121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 941744 + ... + 942006.

Almost surely, 2^247713125 is an apocalyptic number.

247713125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

247713125 is a deficient number, since it is larger than the sum of its proper divisors (93727579).

247713125 is a wasteful number, since it uses less digits than its factorization.

247713125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 416 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 247713125 is about 15738.9048221279. The cubic root of 247713125 is about 628.0337833598.

The spelling of 247713125 in words is "two hundred forty-seven million, seven hundred thirteen thousand, one hundred twenty-five".