1425045019 has 2 divisors, whose sum is σ = 1425045020. Its totient is φ = 1425045018.

The previous prime is 1425044989. The next prime is 1425045071. The reversal of 1425045019 is 9105405241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425045019 - 2⁵ = 1425044987 is a prime.

It is a super-2 number, since 2×1425045019² = 4061506612353420722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1425045119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712522509 + 712522510.

It is an arithmetic number, because the mean of its divisors is an integer number (712522510).

Almost surely, 2^1425045019 is an apocalyptic number.

1425045019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425045019 is an equidigital number, since it uses as much as digits as its factorization.

1425045019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1425045019 is about 37749.7684628661. The cubic root of 1425045019 is about 1125.3204075684.

The spelling of 1425045019 in words is "one billion, four hundred twenty-five million, forty-five thousand, nineteen".