51157153 has 2 divisors, whose sum is σ = 51157154. Its totient is φ = 51157152.

The previous prime is 51157151. The next prime is 51157163. The reversal of 51157153 is 35175115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42354064 + 8803089 = 6508^2 + 2967^2 .

It is a cyclic number.

It is not a de Polignac number, because 51157153 - 2¹ = 51157151 is a prime.

Together with 51157151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51157151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25578576 + 25578577.

It is an arithmetic number, because the mean of its divisors is an integer number (25578577).

Almost surely, 2^51157153 is an apocalyptic number.

It is an amenable number.

51157153 is a deficient number, since it is larger than the sum of its proper divisors (1).

51157153 is an equidigital number, since it uses as much as digits as its factorization.

51157153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2625, while the sum is 28.

The square root of 51157153 is about 7152.4228762008. The cubic root of 51157153 is about 371.2234954078.

The spelling of 51157153 in words is "fifty-one million, one hundred fifty-seven thousand, one hundred fifty-three".