381523461 has 8 divisors (see below), whose sum is σ = 554943264. Its totient is φ = 231226320.

The previous prime is 381523451. The next prime is 381523489. The reversal of 381523461 is 164325183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381523461 - 2⁹ = 381522949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 11561317 = 381523461 / (3 + 8 + 1 + 5 + 2 + 3 + 4 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381523421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5780626 + ... + 5780691.

It is an arithmetic number, because the mean of its divisors is an integer number (69367908).

Almost surely, 2^381523461 is an apocalyptic number.

It is an amenable number.

381523461 is a deficient number, since it is larger than the sum of its proper divisors (173419803).

381523461 is a wasteful number, since it uses less digits than its factorization.

381523461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561331.

The product of its digits is 17280, while the sum is 33.

The square root of 381523461 is about 19532.6255531610. The cubic root of 381523461 is about 725.2823068640.

The spelling of 381523461 in words is "three hundred eighty-one million, five hundred twenty-three thousand, four hundred sixty-one".