1425744031 has 2 divisors, whose sum is σ = 1425744032. Its totient is φ = 1425744030.

The previous prime is 1425744029. The next prime is 1425744071. The reversal of 1425744031 is 1304475241.

It is a weak prime.

It is an emirp because it is prime and its reverse (1304475241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1425744031 - 2¹ = 1425744029 is a prime.

It is a super-2 number, since 2×1425744031² = 4065492083864257922, which contains 22 as substring.

Together with 1425744029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1425743984 and 1425744002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425744011) 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, 712872015 + 712872016.

It is an arithmetic number, because the mean of its divisors is an integer number (712872016).

Almost surely, 2^1425744031 is an apocalyptic number.

1425744031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425744031 is an equidigital number, since it uses as much as digits as its factorization.

1425744031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1425744031 is about 37759.0258216496. The cubic root of 1425744031 is about 1125.5043745956.

The spelling of 1425744031 in words is "one billion, four hundred twenty-five million, seven hundred forty-four thousand, thirty-one".