10725621 has 16 divisors (see below), whose sum is σ = 14938560. Its totient is φ = 6836480.

The previous prime is 10725587. The next prime is 10725629. The reversal of 10725621 is 12652701.

It is a cyclic number.

It is not a de Polignac number, because 10725621 - 2¹⁸ = 10463477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10725591 and 10725600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10725629) 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 15 ways as a sum of consecutive naturals, for example, 9286 + ... + 10376.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 2^10725621 is an apocalyptic number.

It is an amenable number.

10725621 is a deficient number, since it is larger than the sum of its proper divisors (4212939).

10725621 is a wasteful number, since it uses less digits than its factorization.

10725621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 10725621 is about 3274.9993893129. Note that the first 3 decimals coincide. The cubic root of 10725621 is about 220.5332861448.

The spelling of 10725621 in words is "ten million, seven hundred twenty-five thousand, six hundred twenty-one".