10500725 has 6 divisors (see below), whose sum is σ = 13020930. Its totient is φ = 8400560.

The previous prime is 10500703. The next prime is 10500739. The reversal of 10500725 is 52700501.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 10491121 = 98^2 + 3239^2 .

It is not a de Polignac number, because 10500725 - 2¹⁸ = 10238581 is a prime.

It is a super-2 number, since 2×10500725² = 220530451051250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10500697 and 10500706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209990 + ... + 210039.

It is an arithmetic number, because the mean of its divisors is an integer number (2170155).

Almost surely, 2^10500725 is an apocalyptic number.

It is an amenable number.

10500725 is a deficient number, since it is larger than the sum of its proper divisors (2520205).

10500725 is an equidigital number, since it uses as much as digits as its factorization.

10500725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420039 (or 420034 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 10500725 is about 3240.4822172016. The cubic root of 10500725 is about 218.9809968012.

The spelling of 10500725 in words is "ten million, five hundred thousand, seven hundred twenty-five".