6613525 has 12 divisors (see below), whose sum is σ = 8269312. Its totient is φ = 5246640.

The previous prime is 6613517. The next prime is 6613543. The reversal of 6613525 is 5253166.

It is not a de Polignac number, because 6613525 - 2³ = 6613517 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6613493 and 6613502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2134 + ... + 4216.

Almost surely, 2^6613525 is an apocalyptic number.

It is an amenable number.

6613525 is a deficient number, since it is larger than the sum of its proper divisors (1655787).

6613525 is a wasteful number, since it uses less digits than its factorization.

6613525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 2215 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 6613525 is about 2571.6774681130. The cubic root of 6613525 is about 187.7057888705.

It can be divided in two parts, 661 and 3525, that added together give a triangular number (4186 = T₉₁).

The spelling of 6613525 in words is "six million, six hundred thirteen thousand, five hundred twenty-five".