4872157 has 2 divisors, whose sum is σ = 4872158. Its totient is φ = 4872156.

The previous prime is 4872121. The next prime is 4872163. The reversal of 4872157 is 7512784.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 436921 = 2106^2 + 661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4872157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4872107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2436078 + 2436079.

It is an arithmetic number, because the mean of its divisors is an integer number (2436079).

Almost surely, 2^4872157 is an apocalyptic number.

It is an amenable number.

4872157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4872157 is an equidigital number, since it uses as much as digits as its factorization.

4872157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 34.

The square root of 4872157 is about 2207.2963099684. The cubic root of 4872157 is about 169.5276043253.

The spelling of 4872157 in words is "four million, eight hundred seventy-two thousand, one hundred fifty-seven".