5157251 has 4 divisors (see below), whose sum is σ = 5626104. Its totient is φ = 4688400.

The previous prime is 5157247. The next prime is 5157277. The reversal of 5157251 is 1527515.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5157251 - 2² = 5157247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5157251.

It is not an unprimeable number, because it can be changed into a prime (5157241) 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, 234410 + ... + 234431.

It is an arithmetic number, because the mean of its divisors is an integer number (1406526).

Almost surely, 2^5157251 is an apocalyptic number.

5157251 is a deficient number, since it is larger than the sum of its proper divisors (468853).

5157251 is a wasteful number, since it uses less digits than its factorization.

5157251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468852.

The product of its digits is 1750, while the sum is 26.

The square root of 5157251 is about 2270.9581678226. The cubic root of 5157251 is about 172.7717595561.

The spelling of 5157251 in words is "five million, one hundred fifty-seven thousand, two hundred fifty-one".