5250569 has 4 divisors (see below), whose sum is σ = 5559444. Its totient is φ = 4941696.

The previous prime is 5250541. The next prime is 5250571. The reversal of 5250569 is 9650525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3841600 + 1408969 = 1960^2 + 1187^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5250569 is a prime.

It is a super-2 number, since 2×5250569² = 55136949647522, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5250529) 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, 154412 + ... + 154445.

It is an arithmetic number, because the mean of its divisors is an integer number (1389861).

Almost surely, 2^5250569 is an apocalyptic number.

It is an amenable number.

5250569 is a deficient number, since it is larger than the sum of its proper divisors (308875).

5250569 is a wasteful number, since it uses less digits than its factorization.

5250569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308874.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 5250569 is about 2291.4120100933. The cubic root of 5250569 is about 173.8076109355.

The spelling of 5250569 in words is "five million, two hundred fifty thousand, five hundred sixty-nine".