51146357 has 2 divisors, whose sum is σ = 51146358. Its totient is φ = 51146356.

The previous prime is 51146327. The next prime is 51146369. The reversal of 51146357 is 75364115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48080356 + 3066001 = 6934^2 + 1751^2 .

It is a cyclic number.

It is not a de Polignac number, because 51146357 - 2¹⁴ = 51129973 is a prime.

It is equal to p_3065693 and since 51146357 and 3065693 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51146317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25573178 + 25573179.

It is an arithmetic number, because the mean of its divisors is an integer number (25573179).

Almost surely, 2^51146357 is an apocalyptic number.

It is an amenable number.

51146357 is a deficient number, since it is larger than the sum of its proper divisors (1).

51146357 is an equidigital number, since it uses as much as digits as its factorization.

51146357 is an evil number, because the sum of its binary digits is even.

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

The square root of 51146357 is about 7151.6681270876. The cubic root of 51146357 is about 371.1973797323.

The spelling of 51146357 in words is "fifty-one million, one hundred forty-six thousand, three hundred fifty-seven".