1425564347 has 2 divisors, whose sum is σ = 1425564348. Its totient is φ = 1425564346.

The previous prime is 1425564307. The next prime is 1425564389. The reversal of 1425564347 is 7434655241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425564347 - 2²⁸ = 1157128891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1425564307) 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, 712782173 + 712782174.

It is an arithmetic number, because the mean of its divisors is an integer number (712782174).

Almost surely, 2^1425564347 is an apocalyptic number.

1425564347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425564347 is an equidigital number, since it uses as much as digits as its factorization.

1425564347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 41.

The square root of 1425564347 is about 37756.6463950388. The cubic root of 1425564347 is about 1125.4570908336.

The spelling of 1425564347 in words is "one billion, four hundred twenty-five million, five hundred sixty-four thousand, three hundred forty-seven".