5147557 has 4 divisors (see below), whose sum is σ = 5152140. Its totient is φ = 5142976.

The previous prime is 5147539. The next prime is 5147563. The reversal of 5147557 is 7557415.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1758276 + 3389281 = 1326^2 + 1841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5147557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147507) 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, 669 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (1288035).

Almost surely, 2^5147557 is an apocalyptic number.

It is an amenable number.

5147557 is a deficient number, since it is larger than the sum of its proper divisors (4583).

5147557 is a wasteful number, since it uses less digits than its factorization.

5147557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582.

The product of its digits is 24500, while the sum is 34.

The square root of 5147557 is about 2268.8228225227. The cubic root of 5147557 is about 172.6634395790.

The spelling of 5147557 in words is "five million, one hundred forty-seven thousand, five hundred fifty-seven".