10211725 has 6 divisors (see below), whose sum is σ = 12662570. Its totient is φ = 8169360.

The previous prime is 10211723. The next prime is 10211731. The reversal of 10211725 is 52711201.

10211725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 54756 + 10156969 = 234^2 + 3187^2 .

It is not a de Polignac number, because 10211725 - 2¹ = 10211723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204210 + ... + 204259.

Almost surely, 2^10211725 is an apocalyptic number.

It is an amenable number.

10211725 is a deficient number, since it is larger than the sum of its proper divisors (2450845).

10211725 is an equidigital number, since it uses as much as digits as its factorization.

10211725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408479 (or 408474 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 10211725 is about 3195.5789772747. The cubic root of 10211725 is about 216.9533548789.

Adding to 10211725 its reverse (52711201), we get a palindrome (62922926).

The spelling of 10211725 in words is "ten million, two hundred eleven thousand, seven hundred twenty-five".