381501007 has 2 divisors, whose sum is σ = 381501008. Its totient is φ = 381501006.

The previous prime is 381500983. The next prime is 381501017. The reversal of 381501007 is 700105183.

It is a strong prime.

It is an emirp because it is prime and its reverse (700105183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381501007 - 2⁷ = 381500879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381501017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190750503 + 190750504.

It is an arithmetic number, because the mean of its divisors is an integer number (190750504).

Almost surely, 2^381501007 is an apocalyptic number.

381501007 is a deficient number, since it is larger than the sum of its proper divisors (1).

381501007 is an equidigital number, since it uses as much as digits as its factorization.

381501007 is an odious number, because the sum of its binary digits is odd.

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

The square root of 381501007 is about 19532.0507627847. The cubic root of 381501007 is about 725.2680781117.

The spelling of 381501007 in words is "three hundred eighty-one million, five hundred one thousand, seven".