6553725 has 12 divisors (see below), whose sum is σ = 10835616. Its totient is φ = 3495280.

The previous prime is 6553663. The next prime is 6553733. The reversal of 6553725 is 5273556.

It is not a de Polignac number, because 6553725 - 2⁹ = 6553213 is a prime.

It is a super-2 number, since 2×6553725² = 85902622751250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6² + 5⁶ + 5⁸ + 3 + 7 + 2²² + 5⁹ .

6553725 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43617 + ... + 43766.

It is an arithmetic number, because the mean of its divisors is an integer number (902968).

Almost surely, 2^6553725 is an apocalyptic number.

It is an amenable number.

6553725 is a deficient number, since it is larger than the sum of its proper divisors (4281891).

6553725 is a wasteful number, since it uses less digits than its factorization.

6553725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87396 (or 87391 counting only the distinct ones).

The product of its digits is 31500, while the sum is 33.

The square root of 6553725 is about 2560.0244139461. The cubic root of 6553725 is about 187.1383250239.

The spelling of 6553725 in words is "six million, five hundred fifty-three thousand, seven hundred twenty-five".