425450287 has 2 divisors, whose sum is σ = 425450288. Its totient is φ = 425450286.

The previous prime is 425450269. The next prime is 425450303. The reversal of 425450287 is 782054524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425450287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425450587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212725143 + 212725144.

It is an arithmetic number, because the mean of its divisors is an integer number (212725144).

Almost surely, 2^425450287 is an apocalyptic number.

425450287 is a deficient number, since it is larger than the sum of its proper divisors (1).

425450287 is an equidigital number, since it uses as much as digits as its factorization.

425450287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 425450287 is about 20626.4463008052. The cubic root of 425450287 is about 752.1127314917.

The spelling of 425450287 in words is "four hundred twenty-five million, four hundred fifty thousand, two hundred eighty-seven".