375631 has 2 divisors, whose sum is σ = 375632. Its totient is φ = 375630.

The previous prime is 375623. The next prime is 375643. The reversal of 375631 is 136573.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (136573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 375631 - 2³ = 375623 is a prime.

It is a super-2 number, since 2×375631² = 282197296322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 375596 and 375605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375931) 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, 187815 + 187816.

It is an arithmetic number, because the mean of its divisors is an integer number (187816).

2³⁷⁵⁶³¹ is an apocalyptic number.

375631 is a deficient number, since it is larger than the sum of its proper divisors (1).

375631 is an equidigital number, since it uses as much as digits as its factorization.

375631 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 375631 is about 612.8874284891. The cubic root of 375631 is about 72.1529029382.

The spelling of 375631 in words is "three hundred seventy-five thousand, six hundred thirty-one".