381677725 has 48 divisors (see below), whose sum is σ = 559589184. Its totient is φ = 254592000.

The previous prime is 381677713. The next prime is 381677773. The reversal of 381677725 is 527776183.

It is not a de Polignac number, because 381677725 - 2¹¹ = 381675677 is a prime.

It is a super-2 number, since 2×381677725² = 291355771522351250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 861354 + ... + 861796.

It is an arithmetic number, because the mean of its divisors is an integer number (11658108).

Almost surely, 2^381677725 is an apocalyptic number.

It is an amenable number.

381677725 is a deficient number, since it is larger than the sum of its proper divisors (177911459).

381677725 is a wasteful number, since it uses less digits than its factorization.

381677725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 713 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The square root of 381677725 is about 19536.5740343592. The cubic root of 381677725 is about 725.3800464832.

The spelling of 381677725 in words is "three hundred eighty-one million, six hundred seventy-seven thousand, seven hundred twenty-five".