381501067 has 2 divisors, whose sum is σ = 381501068. Its totient is φ = 381501066.

The previous prime is 381501037. The next prime is 381501073. The reversal of 381501067 is 760105183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381501067 is a prime.

It is not a weakly prime, because it can be changed into another prime (381501007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190750533 + 190750534.

It is an arithmetic number, because the mean of its divisors is an integer number (190750534).

Almost surely, 2^381501067 is an apocalyptic number.

381501067 is a deficient number, since it is larger than the sum of its proper divisors (1).

381501067 is an equidigital number, since it uses as much as digits as its factorization.

381501067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 381501067 is about 19532.0522987217. The cubic root of 381501067 is about 725.2681161336.

The spelling of 381501067 in words is "three hundred eighty-one million, five hundred one thousand, sixty-seven".