5210001 has 20 divisors (see below), whose sum is σ = 7858224. Its totient is φ = 3439800.

The previous prime is 5209999. The next prime is 5210003. The reversal of 5210001 is 1000125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5209999) and next prime (5210003).

It is not a de Polignac number, because 5210001 - 2¹ = 5209999 is a prime.

It is a super-2 number, since 2×5210001² = 54288220840002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5210003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10366 + ... + 10856.

Almost surely, 2^5210001 is an apocalyptic number.

It is an amenable number.

5210001 is a deficient number, since it is larger than the sum of its proper divisors (2648223).

5210001 is a wasteful number, since it uses less digits than its factorization.

5210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 5210001 is about 2282.5426611566. The cubic root of 5210001 is about 173.3588173412.

Adding to 5210001 its reverse (1000125), we get a palindrome (6210126).

The spelling of 5210001 in words is "five million, two hundred ten thousand, one".