51676237 has 2 divisors, whose sum is σ = 51676238. Its totient is φ = 51676236.

The previous prime is 51676217. The next prime is 51676241. The reversal of 51676237 is 73267615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46158436 + 5517801 = 6794^2 + 2349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51676237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51676196 and 51676205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51676217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25838118 + 25838119.

It is an arithmetic number, because the mean of its divisors is an integer number (25838119).

Almost surely, 2^51676237 is an apocalyptic number.

It is an amenable number.

51676237 is a deficient number, since it is larger than the sum of its proper divisors (1).

51676237 is an equidigital number, since it uses as much as digits as its factorization.

51676237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 37.

The square root of 51676237 is about 7188.6185738290. The cubic root of 51676237 is about 372.4748555915.

The spelling of 51676237 in words is "fifty-one million, six hundred seventy-six thousand, two hundred thirty-seven".