425550563 has 8 divisors (see below), whose sum is σ = 431827200. Its totient is φ = 419307328.

The previous prime is 425550551. The next prime is 425550571. The reversal of 425550563 is 365055524.

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

It is a cyclic number.

It is not a de Polignac number, because 425550563 - 2¹⁰ = 425549539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425550523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17918 + ... + 34236.

It is an arithmetic number, because the mean of its divisors is an integer number (53978400).

Almost surely, 2^425550563 is an apocalyptic number.

425550563 is a deficient number, since it is larger than the sum of its proper divisors (6276637).

425550563 is a wasteful number, since it uses less digits than its factorization.

425550563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 425550563 is about 20628.8769204724. The cubic root of 425550563 is about 752.1718162889.

The spelling of 425550563 in words is "four hundred twenty-five million, five hundred fifty thousand, five hundred sixty-three".