10261381 has 8 divisors (see below), whose sum is σ = 11531520. Its totient is φ = 9059952.

The previous prime is 10261379. The next prime is 10261393. The reversal of 10261381 is 18316201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10261381 - 2¹ = 10261379 is a prime.

It is a super-2 number, since 2×10261381² = 210591880054322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10261301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16861 + ... + 17458.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^10261381 is an apocalyptic number.

It is an amenable number.

10261381 is a deficient number, since it is larger than the sum of its proper divisors (1270139).

10261381 is a wasteful number, since it uses less digits than its factorization.

10261381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34355.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 10261381 is about 3203.3390391902. The cubic root of 10261381 is about 217.3044421827.

Adding to 10261381 its reverse (18316201), we get a palindrome (28577582).

The spelling of 10261381 in words is "ten million, two hundred sixty-one thousand, three hundred eighty-one".