6416725 has 24 divisors (see below), whose sum is σ = 9348608. Its totient is φ = 4276800.

The previous prime is 6416723. The next prime is 6416741. The reversal of 6416725 is 5276146.

It is a happy number.

It is not a de Polignac number, because 6416725 - 2¹ = 6416723 is a prime.

It is a Duffinian number.

6416725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5980 + ... + 6970.

Almost surely, 2^6416725 is an apocalyptic number.

It is an amenable number.

6416725 is a deficient number, since it is larger than the sum of its proper divisors (2931883).

6416725 is a wasteful number, since it uses less digits than its factorization.

6416725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1040 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 6416725 is about 2533.1255397236. The cubic root of 6416725 is about 185.8251430273.

The spelling of 6416725 in words is "six million, four hundred sixteen thousand, seven hundred twenty-five".