247925 has 12 divisors (see below), whose sum is σ = 315456. Its totient is φ = 193200.

The previous prime is 247913. The next prime is 247939. The reversal of 247925 is 529742.

It is not a de Polignac number, because 247925 - 2¹² = 243829 is a prime.

It is a super-2 number, since 2×247925² = 122933611250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247925.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1070 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (26288).

2²⁴⁷⁹²⁵ is an apocalyptic number.

247925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

247925 is a deficient number, since it is larger than the sum of its proper divisors (67531).

247925 is a wasteful number, since it uses less digits than its factorization.

247925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 263 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 247925 is about 497.9206764134. The cubic root of 247925 is about 62.8212789805.

The spelling of 247925 in words is "two hundred forty-seven thousand, nine hundred twenty-five".