381064601 has 2 divisors, whose sum is σ = 381064602. Its totient is φ = 381064600.

The previous prime is 381064561. The next prime is 381064603. The reversal of 381064601 is 106460183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374809600 + 6255001 = 19360^2 + 2501^2 .

It is an emirp because it is prime and its reverse (106460183) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381064601 is a prime.

Together with 381064603, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_20379413 and since 381064601 and 20379413 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (381064603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190532300 + 190532301.

It is an arithmetic number, because the mean of its divisors is an integer number (190532301).

Almost surely, 2^381064601 is an apocalyptic number.

It is an amenable number.

381064601 is a deficient number, since it is larger than the sum of its proper divisors (1).

381064601 is an equidigital number, since it uses as much as digits as its factorization.

381064601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 381064601 is about 19520.8760305474. The cubic root of 381064601 is about 724.9914234419.

The spelling of 381064601 in words is "three hundred eighty-one million, sixty-four thousand, six hundred one".