1425333331 has 2 divisors, whose sum is σ = 1425333332. Its totient is φ = 1425333330.

The previous prime is 1425333323. The next prime is 1425333373. The reversal of 1425333331 is 1333335241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425333331 - 2³ = 1425333323 is a prime.

It is a super-2 number, since 2×1425333331² = 4063150208919111122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1425333331.

It is not a weakly prime, because it can be changed into another prime (1425336331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712666665 + 712666666.

It is an arithmetic number, because the mean of its divisors is an integer number (712666666).

Almost surely, 2^1425333331 is an apocalyptic number.

1425333331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425333331 is an equidigital number, since it uses as much as digits as its factorization.

1425333331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 28.

The square root of 1425333331 is about 37753.5869951452. The cubic root of 1425333331 is about 1125.3962932411.

Adding to 1425333331 its reverse (1333335241), we get a palindrome (2758668572).

The spelling of 1425333331 in words is "one billion, four hundred twenty-five million, three hundred thirty-three thousand, three hundred thirty-one".