1425500849 has 2 divisors, whose sum is σ = 1425500850. Its totient is φ = 1425500848.

The previous prime is 1425500827. The next prime is 1425500851. The reversal of 1425500849 is 9480055241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1388680225 + 36820624 = 37265^2 + 6068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425500849 is a prime.

Together with 1425500851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1425500899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712750424 + 712750425.

It is an arithmetic number, because the mean of its divisors is an integer number (712750425).

Almost surely, 2^1425500849 is an apocalyptic number.

It is an amenable number.

1425500849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425500849 is an equidigital number, since it uses as much as digits as its factorization.

1425500849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1425500849 is about 37755.8055006114. The cubic root of 1425500849 is about 1125.4403804140.

The spelling of 1425500849 in words is "one billion, four hundred twenty-five million, five hundred thousand, eight hundred forty-nine".