6635061 has 16 divisors (see below), whose sum is σ = 9870400. Its totient is φ = 4405104.

The previous prime is 6635053. The next prime is 6635087. The reversal of 6635061 is 1605366.

It is not a de Polignac number, because 6635061 - 2³ = 6635053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6635011) 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 in 15 ways as a sum of consecutive naturals, for example, 10410 + ... + 11028.

It is an arithmetic number, because the mean of its divisors is an integer number (616900).

Almost surely, 2^6635061 is an apocalyptic number.

It is an amenable number.

6635061 is a deficient number, since it is larger than the sum of its proper divisors (3235339).

6635061 is a wasteful number, since it uses less digits than its factorization.

6635061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 6635061 is about 2575.8612152055. The cubic root of 6635061 is about 187.9093138149.

The spelling of 6635061 in words is "six million, six hundred thirty-five thousand, sixty-one".