6432725 has 12 divisors (see below), whose sum is σ = 8590596. Its totient is φ = 4750080.

The previous prime is 6432721. The next prime is 6432739. The reversal of 6432725 is 5272346.

It can be written as a sum of positive squares in 6 ways, for example, as 192721 + 6240004 = 439^2 + 2498^2 .

It is not a de Polignac number, because 6432725 - 2² = 6432721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9572 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (715883).

Almost surely, 2^6432725 is an apocalyptic number.

6432725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6432725 is a deficient number, since it is larger than the sum of its proper divisors (2157871).

6432725 is a wasteful number, since it uses less digits than its factorization.

6432725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19816 (or 19811 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 6432725 is about 2536.2817272535. The cubic root of 6432725 is about 185.9794654943.

The spelling of 6432725 in words is "six million, four hundred thirty-two thousand, seven hundred twenty-five".