5251515 has 16 divisors (see below), whose sum is σ = 8522496. Its totient is φ = 2760800.

The previous prime is 5251513. The next prime is 5251529. The reversal of 5251515 is 5151525.

5251515 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 5251515 - 2¹ = 5251513 is a prime.

It is an Ulam number.

5251515 is a modest number, since divided by 1515 gives 525 as remainder.

5251515 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5251513) 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, 1401 + ... + 3530.

It is an arithmetic number, because the mean of its divisors is an integer number (532656).

Almost surely, 2^5251515 is an apocalyptic number.

5251515 is a deficient number, since it is larger than the sum of its proper divisors (3270981).

5251515 is a wasteful number, since it uses less digits than its factorization.

5251515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010.

The product of its digits is 1250, while the sum is 24.

The square root of 5251515 is about 2291.6184237346. The cubic root of 5251515 is about 173.8180486694.

The spelling of 5251515 in words is "five million, two hundred fifty-one thousand, five hundred fifteen".