425420925425 has 12 divisors (see below), whose sum is σ = 550457685120. Its totient is φ = 325539490320.

The previous prime is 425420925421. The next prime is 425420925439. The reversal of 425420925425 is 524529024524.

It is not a de Polignac number, because 425420925425 - 2² = 425420925421 is a prime.

It is a super-2 number, since 2×425420925425² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425420925421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369930665 + ... + 369931814.

It is an arithmetic number, because the mean of its divisors is an integer number (45871473760).

Almost surely, 2^425420925425 is an apocalyptic number.

It is an amenable number.

425420925425 is a deficient number, since it is larger than the sum of its proper divisors (125036759695).

425420925425 is a wasteful number, since it uses less digits than its factorization.

425420925425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739862512 (or 739862507 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 425420925425 its reverse (524529024524), we get a palindrome (949949949949).

The spelling of 425420925425 in words is "four hundred twenty-five billion, four hundred twenty million, nine hundred twenty-five thousand, four hundred twenty-five".