6545372 has 6 divisors (see below), whose sum is σ = 11454408. Its totient is φ = 3272684.

The previous prime is 6545353. The next prime is 6545377. The reversal of 6545372 is 2735456.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁸ + 5 + 4⁶ + 5⁷ + 3¹⁴ + 7² + 2⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818168 + ... + 818175.

It is an arithmetic number, because the mean of its divisors is an integer number (1909068).

Almost surely, 2^6545372 is an apocalyptic number.

It is an amenable number.

6545372 is a deficient number, since it is larger than the sum of its proper divisors (4909036).

6545372 is a wasteful number, since it uses less digits than its factorization.

6545372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636347 (or 1636345 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 6545372 is about 2558.3924640289. The cubic root of 6545372 is about 187.0587859828.

The spelling of 6545372 in words is "six million, five hundred forty-five thousand, three hundred seventy-two".