51254297 has 2 divisors, whose sum is σ = 51254298. Its totient is φ = 51254296.

The previous prime is 51254257. The next prime is 51254311. The reversal of 51254297 is 79245215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44368921 + 6885376 = 6661^2 + 2624^2 .

It is a cyclic number.

It is not a de Polignac number, because 51254297 - 2⁸ = 51254041 is a prime.

It is not a weakly prime, because it can be changed into another prime (51254207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25627148 + 25627149.

It is an arithmetic number, because the mean of its divisors is an integer number (25627149).

Almost surely, 2^51254297 is an apocalyptic number.

It is an amenable number.

51254297 is a deficient number, since it is larger than the sum of its proper divisors (1).

51254297 is an equidigital number, since it uses as much as digits as its factorization.

51254297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 51254297 is about 7159.2106408458. The cubic root of 51254297 is about 371.4583229972.

The spelling of 51254297 in words is "fifty-one million, two hundred fifty-four thousand, two hundred ninety-seven".