376531 has 2 divisors, whose sum is σ = 376532. Its totient is φ = 376530.

The previous prime is 376529. The next prime is 376547. The reversal of 376531 is 135673.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 376531 - 2¹ = 376529 is a prime.

It is a super-2 number, since 2×376531² = 283551187922, which contains 22 as substring.

Together with 376529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 376496 and 376505.

It is not a weakly prime, because it can be changed into another prime (376501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188265 + 188266.

It is an arithmetic number, because the mean of its divisors is an integer number (188266).

2³⁷⁶⁵³¹ is an apocalyptic number.

376531 is a deficient number, since it is larger than the sum of its proper divisors (1).

376531 is an equidigital number, since it uses as much as digits as its factorization.

376531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 25.

The square root of 376531 is about 613.6212186683. The cubic root of 376531 is about 72.2104823346.

The spelling of 376531 in words is "three hundred seventy-six thousand, five hundred thirty-one".