381537254 has 16 divisors (see below), whose sum is σ = 654547200. Its totient is φ = 163395144.

The previous prime is 381537241. The next prime is 381537263. The reversal of 381537254 is 452735183.

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 7 ways as a sum of consecutive naturals, for example, 11087 + ... + 29765.

It is an arithmetic number, because the mean of its divisors is an integer number (40909200).

Almost surely, 2^381537254 is an apocalyptic number.

381537254 is a deficient number, since it is larger than the sum of its proper divisors (273009946).

381537254 is a wasteful number, since it uses less digits than its factorization.

381537254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147.

The product of its digits is 100800, while the sum is 38.

The square root of 381537254 is about 19532.9786259034. The cubic root of 381537254 is about 725.2910469978.

The spelling of 381537254 in words is "three hundred eighty-one million, five hundred thirty-seven thousand, two hundred fifty-four".