1425004426 has 4 divisors (see below), whose sum is σ = 2137506642. Its totient is φ = 712502212.

The previous prime is 1425004417. The next prime is 1425004433. The reversal of 1425004426 is 6244005241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1033558201 + 391446225 = 32149^2 + 19785^2 .

It is a super-2 number, since 2×1425004426² = 4061275228239178952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1425004394 and 1425004403.

It is an unprimeable number.

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, 356251105 + ... + 356251108.

Almost surely, 2^1425004426 is an apocalyptic number.

1425004426 is a deficient number, since it is larger than the sum of its proper divisors (712502216).

1425004426 is an equidigital number, since it uses as much as digits as its factorization.

1425004426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712502215.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1425004426 is about 37749.2308001104. The cubic root of 1425004426 is about 1125.3097223937.

Adding to 1425004426 its reverse (6244005241), we get a palindrome (7669009667).

The spelling of 1425004426 in words is "one billion, four hundred twenty-five million, four thousand, four hundred twenty-six".