51425299 has 2 divisors, whose sum is σ = 51425300. Its totient is φ = 51425298.

The previous prime is 51425293. The next prime is 51425321. The reversal of 51425299 is 99252415.

51425299 is nontrivially palindromic in base 16.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51425299 - 2¹⁵ = 51392531 is a prime.

It is a super-2 number, since 2×51425299² = 5289122754478802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51425293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25712649 + 25712650.

It is an arithmetic number, because the mean of its divisors is an integer number (25712650).

Almost surely, 2^51425299 is an apocalyptic number.

51425299 is a deficient number, since it is larger than the sum of its proper divisors (1).

51425299 is an equidigital number, since it uses as much as digits as its factorization.

51425299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 51425299 is about 7171.1434931955. The cubic root of 51425299 is about 371.8709687579.

The spelling of 51425299 in words is "fifty-one million, four hundred twenty-five thousand, two hundred ninety-nine".