5251915 has 8 divisors (see below), whose sum is σ = 6314688. Its totient is φ = 4193280.

The previous prime is 5251903. The next prime is 5251919. The reversal of 5251915 is 5191525.

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

It is not a de Polignac number, because 5251915 - 2⁷ = 5251787 is a prime.

It is a super-2 number, since 2×5251915² = 55165222334450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251919) 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, 3979 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (789336).

Almost surely, 2^5251915 is an apocalyptic number.

5251915 is a deficient number, since it is larger than the sum of its proper divisors (1062773).

5251915 is a wasteful number, since it uses less digits than its factorization.

5251915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its digits is 2250, while the sum is 28.

The square root of 5251915 is about 2291.7056966373. The cubic root of 5251915 is about 173.8224617105.

The spelling of 5251915 in words is "five million, two hundred fifty-one thousand, nine hundred fifteen".