5157569 has 4 divisors (see below), whose sum is σ = 5429040. Its totient is φ = 4886100.

The previous prime is 5157557. The next prime is 5157571. The reversal of 5157569 is 9657515.

5157569 = T₂₄₂ + T₂₄₃ + ... + T₃₅₅.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5157569 is a prime.

It is a super-2 number, since 2×5157569² = 53201035979522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5157599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135707 + ... + 135744.

It is an arithmetic number, because the mean of its divisors is an integer number (1357260).

Almost surely, 2^5157569 is an apocalyptic number.

It is an amenable number.

5157569 is a deficient number, since it is larger than the sum of its proper divisors (271471).

5157569 is a wasteful number, since it uses less digits than its factorization.

5157569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271470.

The product of its digits is 47250, while the sum is 38.

The square root of 5157569 is about 2271.0281812430. The cubic root of 5157569 is about 172.7753105622.

The spelling of 5157569 in words is "five million, one hundred fifty-seven thousand, five hundred sixty-nine".