5157147 has 4 divisors (see below), whose sum is σ = 6876200. Its totient is φ = 3438096.

The previous prime is 5157143. The next prime is 5157179. The reversal of 5157147 is 7417515.

5157147 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5157147 - 2² = 5157143 is a prime.

It is a D-number.

It is a Duffinian number.

5157147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5157143) 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, 859522 + ... + 859527.

It is an arithmetic number, because the mean of its divisors is an integer number (1719050).

Almost surely, 2^5157147 is an apocalyptic number.

5157147 is a deficient number, since it is larger than the sum of its proper divisors (1719053).

5157147 is a wasteful number, since it uses less digits than its factorization.

5157147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719052.

The product of its digits is 4900, while the sum is 30.

The square root of 5157147 is about 2270.9352698833. The cubic root of 5157147 is about 172.7705981890.

The spelling of 5157147 in words is "five million, one hundred fifty-seven thousand, one hundred forty-seven".