5251215 has 16 divisors (see below), whose sum is σ = 8896608. Its totient is φ = 2635776.

The previous prime is 5251193. The next prime is 5251217. The reversal of 5251215 is 5121525.

5251215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5251215 - 2⁹ = 5250703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5251191 and 5251200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10042 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (556038).

Almost surely, 2^5251215 is an apocalyptic number.

5251215 is a deficient number, since it is larger than the sum of its proper divisors (3645393).

5251215 is a wasteful number, since it uses less digits than its factorization.

5251215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618.

The product of its digits is 500, while the sum is 21.

The square root of 5251215 is about 2291.5529668764. The cubic root of 5251215 is about 173.8147387415.

The spelling of 5251215 in words is "five million, two hundred fifty-one thousand, two hundred fifteen".