10381535 has 4 divisors (see below), whose sum is σ = 12457848. Its totient is φ = 8305224.

The previous prime is 10381531. The next prime is 10381541. The reversal of 10381535 is 53518301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10381535 - 2² = 10381531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10381531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038149 + ... + 1038158.

It is an arithmetic number, because the mean of its divisors is an integer number (3114462).

Almost surely, 2^10381535 is an apocalyptic number.

10381535 is a deficient number, since it is larger than the sum of its proper divisors (2076313).

10381535 is an equidigital number, since it uses as much as digits as its factorization.

10381535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076312.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 10381535 is about 3222.0389507267. The cubic root of 10381535 is about 218.1493169443.

Adding to 10381535 its reverse (53518301), we get a palindrome (63899836).

The spelling of 10381535 in words is "ten million, three hundred eighty-one thousand, five hundred thirty-five".