380057531 has 4 divisors (see below), whose sum is σ = 434351472. Its totient is φ = 325763592.

The previous prime is 380057477. The next prime is 380057549. The reversal of 380057531 is 135750083.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 380057531 - 2⁶ = 380057467 is a prime.

It is a super-2 number, since 2×380057531² = 288887453739631922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380077531) 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 in 3 ways as a sum of consecutive naturals, for example, 27146960 + ... + 27146973.

It is an arithmetic number, because the mean of its divisors is an integer number (108587868).

Almost surely, 2^380057531 is an apocalyptic number.

380057531 is a deficient number, since it is larger than the sum of its proper divisors (54293941).

380057531 is an equidigital number, since it uses as much as digits as its factorization.

380057531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54293940.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 380057531 is about 19495.0642727845. The cubic root of 380057531 is about 724.3521956605.

The spelling of 380057531 in words is "three hundred eighty million, fifty-seven thousand, five hundred thirty-one".