1425331426 has 4 divisors (see below), whose sum is σ = 2137997142. Its totient is φ = 712665712.

The previous prime is 1425331403. The next prime is 1425331433. The reversal of 1425331426 is 6241335241.

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., 772784401 + 652547025 = 27799^2 + 25545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356332855 + ... + 356332858.

Almost surely, 2^1425331426 is an apocalyptic number.

1425331426 is a deficient number, since it is larger than the sum of its proper divisors (712665716).

1425331426 is an equidigital number, since it uses as much as digits as its factorization.

1425331426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712665715.

The product of its digits is 17280, while the sum is 31.

The square root of 1425331426 is about 37753.5617657460. The cubic root of 1425331426 is about 1125.3957918657.

Adding to 1425331426 its reverse (6241335241), we get a palindrome (7666666667).

The spelling of 1425331426 in words is "one billion, four hundred twenty-five million, three hundred thirty-one thousand, four hundred twenty-six".