10239725 has 6 divisors (see below), whose sum is σ = 12697290. Its totient is φ = 8191760.

The previous prime is 10239679. The next prime is 10239731. The reversal of 10239725 is 52793201.

It can be written as a sum of positive squares in 3 ways, for example, as 1371241 + 8868484 = 1171^2 + 2978^2 .

It is not a de Polignac number, because 10239725 - 2¹⁸ = 9977581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204770 + ... + 204819.

It is an arithmetic number, because the mean of its divisors is an integer number (2116215).

Almost surely, 2^10239725 is an apocalyptic number.

It is an amenable number.

10239725 is a deficient number, since it is larger than the sum of its proper divisors (2457565).

10239725 is an equidigital number, since it uses as much as digits as its factorization.

10239725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409599 (or 409594 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 10239725 is about 3199.9570309615. The cubic root of 10239725 is about 217.1514653913.

The spelling of 10239725 in words is "ten million, two hundred thirty-nine thousand, seven hundred twenty-five".