10007381 has 4 divisors (see below), whose sum is σ = 10220352. Its totient is φ = 9794412.

The previous prime is 10007359. The next prime is 10007401. The reversal of 10007381 is 18370001.

10007381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18370001 = 13 ⋅1413077.

It is a cyclic number.

It is not a de Polignac number, because 10007381 - 2⁶ = 10007317 is a prime.

It is a super-2 number, since 2×10007381² = 200295348958322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10007311) 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, 106415 + ... + 106508.

It is an arithmetic number, because the mean of its divisors is an integer number (2555088).

Almost surely, 2^10007381 is an apocalyptic number.

It is an amenable number.

10007381 is a deficient number, since it is larger than the sum of its proper divisors (212971).

10007381 is an equidigital number, since it uses as much as digits as its factorization.

10007381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212970.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 10007381 is about 3163.4444834705. Note that the first 4 decimals coincide. The cubic root of 10007381 is about 215.4964622420.

Adding to 10007381 its reverse (18370001), we get a palindrome (28377382).

The spelling of 10007381 in words is "ten million, seven thousand, three hundred eighty-one".