5726515 has 4 divisors (see below), whose sum is σ = 6871824. Its totient is φ = 4581208.

The previous prime is 5726507. The next prime is 5726519. The reversal of 5726515 is 5156275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5726515 - 2³ = 5726507 is a prime.

It is a Duffinian number.

5726515 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5726519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572647 + ... + 572656.

It is an arithmetic number, because the mean of its divisors is an integer number (1717956).

Almost surely, 2^5726515 is an apocalyptic number.

5726515 is a deficient number, since it is larger than the sum of its proper divisors (1145309).

5726515 is a wasteful number, since it uses less digits than its factorization.

5726515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145308.

The product of its digits is 10500, while the sum is 31.

The square root of 5726515 is about 2393.0137901817. The cubic root of 5726515 is about 178.9081538320.

It can be divided in two parts, 5726 and 515, that added together give a square (6241 = 79²).

The spelling of 5726515 in words is "five million, seven hundred twenty-six thousand, five hundred fifteen".