1425000001 has 2 divisors, whose sum is σ = 1425000002. Its totient is φ = 1425000000.

The previous prime is 1424999911. The next prime is 1425000007. The reversal of 1425000001 is 1000005241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017929025 + 407070976 = 31905^2 + 20176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425000001 - 2²¹ = 1422902849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1425000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712500000 + 712500001.

It is an arithmetic number, because the mean of its divisors is an integer number (712500001).

Almost surely, 2^1425000001 is an apocalyptic number.

It is an amenable number.

1425000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425000001 is an equidigital number, since it uses as much as digits as its factorization.

1425000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1425000001 is about 37749.1721895991. The cubic root of 1425000001 is about 1125.3085576018.

Adding to 1425000001 its reverse (1000005241), we get a palindrome (2425005242).

The spelling of 1425000001 in words is "one billion, four hundred twenty-five million, one", and thus it is an aban number.