10507381 has 2 divisors, whose sum is σ = 10507382. Its totient is φ = 10507380.

The previous prime is 10507373. The next prime is 10507391. The reversal of 10507381 is 18370501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10182481 + 324900 = 3191^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 10507381 - 2³ = 10507373 is a prime.

It is a super-2 number, since 2×10507381² = 220810110958322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10507391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253690 + 5253691.

It is an arithmetic number, because the mean of its divisors is an integer number (5253691).

Almost surely, 2^10507381 is an apocalyptic number.

It is an amenable number.

10507381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10507381 is an equidigital number, since it uses as much as digits as its factorization.

10507381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 10507381 is about 3241.5090621499. The cubic root of 10507381 is about 219.0272548664.

Adding to 10507381 its reverse (18370501), we get a palindrome (28877882).

The spelling of 10507381 in words is "ten million, five hundred seven thousand, three hundred eighty-one".