1675345 has 16 divisors (see below), whose sum is σ = 2320128. Its totient is φ = 1137600.

The previous prime is 1675339. The next prime is 1675351. The reversal of 1675345 is 5435761.

It is an interprime number because it is at equal distance from previous prime (1675339) and next prime (1675351).

It is not a de Polignac number, because 1675345 - 2⁷ = 1675217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5127 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (145008).

2^1675345 is an apocalyptic number.

1675345 is the 1057-th pentagonal number.

It is an amenable number.

1675345 is a deficient number, since it is larger than the sum of its proper divisors (644783).

1675345 is a wasteful number, since it uses less digits than its factorization.

1675345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its digits is 12600, while the sum is 31.

The square root of 1675345 is about 1294.3511888201. The cubic root of 1675345 is about 118.7685400415.

The spelling of 1675345 in words is "one million, six hundred seventy-five thousand, three hundred forty-five".