51425453 has 2 divisors, whose sum is σ = 51425454. Its totient is φ = 51425452.

The previous prime is 51425441. The next prime is 51425477. The reversal of 51425453 is 35452415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26245129 + 25180324 = 5123^2 + 5018^2 .

It is a cyclic number.

It is not a de Polignac number, because 51425453 - 2¹⁴ = 51409069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51025453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25712726 + 25712727.

It is an arithmetic number, because the mean of its divisors is an integer number (25712727).

Almost surely, 2^51425453 is an apocalyptic number.

It is an amenable number.

51425453 is a deficient number, since it is larger than the sum of its proper divisors (1).

51425453 is an equidigital number, since it uses as much as digits as its factorization.

51425453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 29.

The square root of 51425453 is about 7171.1542306661. The cubic root of 51425453 is about 371.8713399635.

Adding to 51425453 its reverse (35452415), we get a palindrome (86877868).

The spelling of 51425453 in words is "fifty-one million, four hundred twenty-five thousand, four hundred fifty-three".