425144519 has 2 divisors, whose sum is σ = 425144520. Its totient is φ = 425144518.

The previous prime is 425144477. The next prime is 425144549. The reversal of 425144519 is 915441524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425144519 - 2¹² = 425140423 is a prime.

It is a super-2 number, since 2×425144519² = 361495724071482722, which contains 22 as substring.

It is equal to p_22603769 and since 425144519 and 22603769 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425144549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212572259 + 212572260.

It is an arithmetic number, because the mean of its divisors is an integer number (212572260).

Almost surely, 2^425144519 is an apocalyptic number.

425144519 is a deficient number, since it is larger than the sum of its proper divisors (1).

425144519 is an equidigital number, since it uses as much as digits as its factorization.

425144519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 425144519 is about 20619.0329307657. The cubic root of 425144519 is about 751.9325090092.

The spelling of 425144519 in words is "four hundred twenty-five million, one hundred forty-four thousand, five hundred nineteen".