107648381 has 2 divisors, whose sum is σ = 107648382. Its totient is φ = 107648380.

The previous prime is 107648371. The next prime is 107648383. The reversal of 107648381 is 183846701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87703225 + 19945156 = 9365^2 + 4466^2 .

It is an emirp because it is prime and its reverse (183846701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107648381 - 2²² = 103454077 is a prime.

It is a super-2 number, since 2×107648381² = 23176347863842322, which contains 22 as substring.

Together with 107648383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107648383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53824190 + 53824191.

It is an arithmetic number, because the mean of its divisors is an integer number (53824191).

Almost surely, 2^107648381 is an apocalyptic number.

It is an amenable number.

107648381 is a deficient number, since it is larger than the sum of its proper divisors (1).

107648381 is an equidigital number, since it uses as much as digits as its factorization.

107648381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 107648381 is about 10375.3737763996. The cubic root of 107648381 is about 475.7029385455.

The spelling of 107648381 in words is "one hundred seven million, six hundred forty-eight thousand, three hundred eighty-one".