10381825 has 6 divisors (see below), whose sum is σ = 12873494. Its totient is φ = 8305440.

The previous prime is 10381823. The next prime is 10381829. The reversal of 10381825 is 52818301.

It can be written as a sum of positive squares in 3 ways, for example, as 135424 + 10246401 = 368^2 + 3201^2 .

It is not a de Polignac number, because 10381825 - 2¹ = 10381823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10381793 and 10381802.

It is not an unprimeable number, because it can be changed into a prime (10381823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207612 + ... + 207661.

Almost surely, 2^10381825 is an apocalyptic number.

It is an amenable number.

10381825 is a deficient number, since it is larger than the sum of its proper divisors (2491669).

10381825 is an equidigital number, since it uses as much as digits as its factorization.

10381825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415283 (or 415278 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 10381825 is about 3222.0839529721. The cubic root of 10381825 is about 218.1513482018.

The spelling of 10381825 in words is "ten million, three hundred eighty-one thousand, eight hundred twenty-five".