5137551 has 6 divisors (see below), whose sum is σ = 7420920. Its totient is φ = 3425028.

The previous prime is 5137547. The next prime is 5137651. The reversal of 5137551 is 1557315.

5137551 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5137551 - 2² = 5137547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5137051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285411 + ... + 285428.

It is an arithmetic number, because the mean of its divisors is an integer number (1236820).

Almost surely, 2^5137551 is an apocalyptic number.

5137551 is a deficient number, since it is larger than the sum of its proper divisors (2283369).

5137551 is a wasteful number, since it uses less digits than its factorization.

5137551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570845 (or 570842 counting only the distinct ones).

The product of its digits is 2625, while the sum is 27.

The square root of 5137551 is about 2266.6166416048. The cubic root of 5137551 is about 172.5514906148.

The spelling of 5137551 in words is "five million, one hundred thirty-seven thousand, five hundred fifty-one".