6472505 has 8 divisors (see below), whose sum is σ = 8364552. Its totient is φ = 4779648.

The previous prime is 6472471. The next prime is 6472513. The reversal of 6472505 is 5052746.

6472505 = 283² + 284² + ... + 347².

It can be written as a sum of positive squares in 4 ways, for example, as 620944 + 5851561 = 788^2 + 2419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6472505 - 2¹² = 6468409 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 49724 + ... + 49853.

It is an arithmetic number, because the mean of its divisors is an integer number (1045569).

Almost surely, 2^6472505 is an apocalyptic number.

6472505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6472505 is a deficient number, since it is larger than the sum of its proper divisors (1892047).

6472505 is a wasteful number, since it uses less digits than its factorization.

6472505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99595.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 6472505 is about 2544.1118293031. Note that the first 3 decimals coincide. The cubic root of 6472505 is about 186.3620438996.

The spelling of 6472505 in words is "six million, four hundred seventy-two thousand, five hundred five".