5211505 has 8 divisors (see below), whose sum is σ = 6734952. Its totient is φ = 3848448.

The previous prime is 5211497. The next prime is 5211509. The reversal of 5211505 is 5051125.

5211505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 31329 + 5180176 = 177^2 + 2276^2 .

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 5211505 - 2³ = 5211497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40024 + ... + 40153.

It is an arithmetic number, because the mean of its divisors is an integer number (841869).

Almost surely, 2^5211505 is an apocalyptic number.

It is an amenable number.

5211505 is a deficient number, since it is larger than the sum of its proper divisors (1523447).

5211505 is a wasteful number, since it uses less digits than its factorization.

5211505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80195.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5211505 is about 2282.8720945336. The cubic root of 5211505 is about 173.3754972213.

The spelling of 5211505 in words is "five million, two hundred eleven thousand, five hundred five".