382148531 has 4 divisors (see below), whose sum is σ = 383061000. Its totient is φ = 381236064.

The previous prime is 382148527. The next prime is 382148537. The reversal of 382148531 is 135841283.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 382148531 - 2² = 382148527 is a prime.

It is a super-2 number, since 2×382148531² = 292074999490915922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 382148491 and 382148500.

It is not an unprimeable number, because it can be changed into a prime (382148537) 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, 455606 + ... + 456443.

It is an arithmetic number, because the mean of its divisors is an integer number (95765250).

Almost surely, 2^382148531 is an apocalyptic number.

382148531 is a deficient number, since it is larger than the sum of its proper divisors (912469).

382148531 is an equidigital number, since it uses as much as digits as its factorization.

382148531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912468.

The product of its digits is 23040, while the sum is 35.

The square root of 382148531 is about 19548.6196699409. The cubic root of 382148531 is about 725.6781801626.

The spelling of 382148531 in words is "three hundred eighty-two million, one hundred forty-eight thousand, five hundred thirty-one".