4971251 has 4 divisors (see below), whose sum is σ = 4987752. Its totient is φ = 4954752.

The previous prime is 4971229. The next prime is 4971257. The reversal of 4971251 is 1521794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1521794 = 2 ⋅760897.

It is a cyclic number.

It is not a de Polignac number, because 4971251 - 2¹⁰ = 4970227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4971257) 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, 7790 + ... + 8403.

It is an arithmetic number, because the mean of its divisors is an integer number (1246938).

Almost surely, 2^4971251 is an apocalyptic number.

4971251 is a deficient number, since it is larger than the sum of its proper divisors (16501).

4971251 is a wasteful number, since it uses less digits than its factorization.

4971251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500.

The product of its digits is 2520, while the sum is 29.

The square root of 4971251 is about 2229.6302384028. The cubic root of 4971251 is about 170.6692305286.

The spelling of 4971251 in words is "four million, nine hundred seventy-one thousand, two hundred fifty-one".