51276157 has 2 divisors, whose sum is σ = 51276158. Its totient is φ = 51276156.

The previous prime is 51276143. The next prime is 51276163. The reversal of 51276157 is 75167215.

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., 45616516 + 5659641 = 6754^2 + 2379^2 .

It is a cyclic number.

It is not a de Polignac number, because 51276157 - 2¹¹ = 51274109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51276187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25638078 + 25638079.

It is an arithmetic number, because the mean of its divisors is an integer number (25638079).

Almost surely, 2^51276157 is an apocalyptic number.

It is an amenable number.

51276157 is a deficient number, since it is larger than the sum of its proper divisors (1).

51276157 is an equidigital number, since it uses as much as digits as its factorization.

51276157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700, while the sum is 34.

The square root of 51276157 is about 7160.7371827208. The cubic root of 51276157 is about 371.5111245851.

The spelling of 51276157 in words is "fifty-one million, two hundred seventy-six thousand, one hundred fifty-seven".