5211009 has 12 divisors (see below), whose sum is σ = 7549776. Its totient is φ = 3463512.

The previous prime is 5210999. The next prime is 5211023. The reversal of 5211009 is 9001125.

It is not a de Polignac number, because 5211009 - 2⁸ = 5210753 is a prime.

It is a super-2 number, since 2×5211009² = 54309229596162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5210982 and 5211000.

It is not an unprimeable number, because it can be changed into a prime (5211109) 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, 3334 + ... + 4640.

It is an arithmetic number, because the mean of its divisors is an integer number (629148).

Almost surely, 2^5211009 is an apocalyptic number.

It is an amenable number.

5211009 is a deficient number, since it is larger than the sum of its proper divisors (2338767).

5211009 is a wasteful number, since it uses less digits than its factorization.

5211009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 5211009 is about 2282.7634568654. The cubic root of 5211009 is about 173.3699967645.

The spelling of 5211009 in words is "five million, two hundred eleven thousand, nine".