1675381 has 4 divisors (see below), whose sum is σ = 1684000. Its totient is φ = 1666764.

The previous prime is 1675379. The next prime is 1675393. The reversal of 1675381 is 1835761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1675381 - 2¹ = 1675379 is a prime.

It is a super-2 number, since 2×1675381² = 5613802990322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1675321) 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, 4011 + ... + 4408.

It is an arithmetic number, because the mean of its divisors is an integer number (421000).

2^1675381 is an apocalyptic number.

It is an amenable number.

1675381 is a deficient number, since it is larger than the sum of its proper divisors (8619).

1675381 is an equidigital number, since it uses as much as digits as its factorization.

1675381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618.

The product of its digits is 5040, while the sum is 31.

The square root of 1675381 is about 1294.3650953267. The cubic root of 1675381 is about 118.7693907393.

The spelling of 1675381 in words is "one million, six hundred seventy-five thousand, three hundred eighty-one".