1425630565 has 8 divisors (see below), whose sum is σ = 1723065120. Its totient is φ = 1132298832.

The previous prime is 1425630541. The next prime is 1425630581. The reversal of 1425630565 is 5650365241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425630565 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1024939 + ... + 1026328.

It is an arithmetic number, because the mean of its divisors is an integer number (215383140).

Almost surely, 2^1425630565 is an apocalyptic number.

It is an amenable number.

1425630565 is a deficient number, since it is larger than the sum of its proper divisors (297434555).

1425630565 is a wasteful number, since it uses less digits than its factorization.

1425630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051411.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 1425630565 is about 37757.5232900676. The cubic root of 1425630565 is about 1125.4745165322.

The spelling of 1425630565 in words is "one billion, four hundred twenty-five million, six hundred thirty thousand, five hundred sixty-five".