381054497 has 4 divisors (see below), whose sum is σ = 381396756. Its totient is φ = 380712240.

The previous prime is 381054463. The next prime is 381054523. The reversal of 381054497 is 794450183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794450183 = 5059 ⋅157037.

It can be written as a sum of positive squares in 2 ways, for example, as 110649361 + 270405136 = 10519^2 + 16444^2 .

It is a cyclic number.

It is not a de Polignac number, because 381054497 - 2¹⁴ = 381038113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381054407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169454 + ... + 171687.

It is an arithmetic number, because the mean of its divisors is an integer number (95349189).

Almost surely, 2^381054497 is an apocalyptic number.

It is an amenable number.

381054497 is a deficient number, since it is larger than the sum of its proper divisors (342259).

381054497 is a wasteful number, since it uses less digits than its factorization.

381054497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342258.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 381054497 is about 19520.6172289710. The cubic root of 381054497 is about 724.9850156237.

The spelling of 381054497 in words is "three hundred eighty-one million, fifty-four thousand, four hundred ninety-seven".