425425587 has 8 divisors (see below), whose sum is σ = 567369936. Its totient is φ = 283549152.

The previous prime is 425425579. The next prime is 425425589. The reversal of 425425587 is 785524524.

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

It is not a de Polignac number, because 425425587 - 2³ = 425425579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425425589) 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, 93 + ... + 29169.

It is an arithmetic number, because the mean of its divisors is an integer number (70921242).

Almost surely, 2^425425587 is an apocalyptic number.

425425587 is a deficient number, since it is larger than the sum of its proper divisors (141944349).

425425587 is a wasteful number, since it uses less digits than its factorization.

425425587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33957.

The product of its digits is 448000, while the sum is 42.

The square root of 425425587 is about 20625.8475462222. The cubic root of 425425587 is about 752.0981762902.

The spelling of 425425587 in words is "four hundred twenty-five million, four hundred twenty-five thousand, five hundred eighty-seven".