6254645 has 4 divisors (see below), whose sum is σ = 7505580. Its totient is φ = 5003712.

The previous prime is 6254641. The next prime is 6254681. The reversal of 6254645 is 5464526.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1965604 + 4289041 = 1402^2 + 2071^2 .

It is a cyclic number.

It is not a de Polignac number, because 6254645 - 2² = 6254641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6254641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625460 + ... + 625469.

It is an arithmetic number, because the mean of its divisors is an integer number (1876395).

Almost surely, 2^6254645 is an apocalyptic number.

It is an amenable number.

6254645 is a deficient number, since it is larger than the sum of its proper divisors (1250935).

6254645 is a wasteful number, since it uses less digits than its factorization.

6254645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250934.

The product of its digits is 28800, while the sum is 32.

The square root of 6254645 is about 2500.9288274559. The cubic root of 6254645 is about 184.2471965021.

The spelling of 6254645 in words is "six million, two hundred fifty-four thousand, six hundred forty-five".