6607145 has 4 divisors (see below), whose sum is σ = 7928580. Its totient is φ = 5285712.

The previous prime is 6607121. The next prime is 6607151. The reversal of 6607145 is 5417066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5417066 = 2 ⋅2708533.

It can be written as a sum of positive squares in 2 ways, for example, as 4787344 + 1819801 = 2188^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 6607145 - 2¹⁰ = 6606121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660710 + ... + 660719.

It is an arithmetic number, because the mean of its divisors is an integer number (1982145).

Almost surely, 2^6607145 is an apocalyptic number.

It is an amenable number.

6607145 is a deficient number, since it is larger than the sum of its proper divisors (1321435).

6607145 is a wasteful number, since it uses less digits than its factorization.

6607145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321434.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 6607145 is about 2570.4367333198. The cubic root of 6607145 is about 187.6454101652.

The spelling of 6607145 in words is "six million, six hundred seven thousand, one hundred forty-five".