675511 has 2 divisors, whose sum is σ = 675512. Its totient is φ = 675510.

The previous prime is 675481. The next prime is 675539. The reversal of 675511 is 115576.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675511 is a prime.

It is a super-2 number, since 2×675511² = 912630222242, which contains 22 as substring.

675511 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337755 + 337756.

It is an arithmetic number, because the mean of its divisors is an integer number (337756).

2⁶⁷⁵⁵¹¹ is an apocalyptic number.

675511 is a deficient number, since it is larger than the sum of its proper divisors (1).

675511 is an equidigital number, since it uses as much as digits as its factorization.

675511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1050, while the sum is 25.

The square root of 675511 is about 821.8947621198. The cubic root of 675511 is about 87.7426624601.

It can be divided in two parts, 6755 and 11, that multiplied together give a triangular number (74305 = T₃₈₅).

The spelling of 675511 in words is "six hundred seventy-five thousand, five hundred eleven".