5147551 has 4 divisors (see below), whose sum is σ = 5286712. Its totient is φ = 5008392.

The previous prime is 5147539. The next prime is 5147563. The reversal of 5147551 is 1557415.

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

It is an interprime number because it is at equal distance from previous prime (5147539) and next prime (5147563).

It is a cyclic number.

It is not a de Polignac number, because 5147551 - 2¹³ = 5139359 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147531) 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, 69525 + ... + 69598.

It is an arithmetic number, because the mean of its divisors is an integer number (1321678).

Almost surely, 2^5147551 is an apocalyptic number.

5147551 is a deficient number, since it is larger than the sum of its proper divisors (139161).

5147551 is a wasteful number, since it uses less digits than its factorization.

5147551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139160.

The product of its digits is 3500, while the sum is 28.

The square root of 5147551 is about 2268.8215002507. The cubic root of 5147551 is about 172.6633724934.

The spelling of 5147551 in words is "five million, one hundred forty-seven thousand, five hundred fifty-one".