51346157 has 2 divisors, whose sum is σ = 51346158. Its totient is φ = 51346156.

The previous prime is 51346117. The next prime is 51346159. The reversal of 51346157 is 75164315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42784681 + 8561476 = 6541^2 + 2926^2 .

It is a cyclic number.

It is not a de Polignac number, because 51346157 - 2¹² = 51342061 is a prime.

Together with 51346159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51346159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673078 + 25673079.

It is an arithmetic number, because the mean of its divisors is an integer number (25673079).

Almost surely, 2^51346157 is an apocalyptic number.

It is an amenable number.

51346157 is a deficient number, since it is larger than the sum of its proper divisors (1).

51346157 is an equidigital number, since it uses as much as digits as its factorization.

51346157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 51346157 is about 7165.6232806365. The cubic root of 51346157 is about 371.6801047065.

The spelling of 51346157 in words is "fifty-one million, three hundred forty-six thousand, one hundred fifty-seven".