10405725 has 24 divisors (see below), whose sum is σ = 18769632. Its totient is φ = 5044800.

The previous prime is 10405721. The next prime is 10405741. The reversal of 10405725 is 52750401.

It is not a de Polignac number, because 10405725 - 2² = 10405721 is a prime.

It is a super-2 number, since 2×10405725² = 216558225551250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10405695 and 10405704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10405721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5482 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (782068).

Almost surely, 2^10405725 is an apocalyptic number.

10405725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10405725 is a deficient number, since it is larger than the sum of its proper divisors (8363907).

10405725 is a wasteful number, since it uses less digits than its factorization.

10405725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637 (or 12632 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 10405725 is about 3225.7906007675. The cubic root of 10405725 is about 218.3186219846.

The spelling of 10405725 in words is "ten million, four hundred five thousand, seven hundred twenty-five".