425571000 has 128 divisors (see below), whose sum is σ = 1359072000. Its totient is φ = 110812800.

The previous prime is 425570933. The next prime is 425571011. The reversal of 425571000 is 175524.

It is a super-3 number, since 3×425571000³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127351 + ... + 130649.

It is an arithmetic number, because the mean of its divisors is an integer number (10617750).

Almost surely, 2^425571000 is an apocalyptic number.

425571000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425571000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679536000).

425571000 is an abundant number, since it is smaller than the sum of its proper divisors (933501000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425571000 is a wasteful number, since it uses less digits than its factorization.

425571000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3352 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 425571000 is about 20629.3722638378. The cubic root of 425571000 is about 752.1838570746.

The spelling of 425571000 in words is "four hundred twenty-five million, five hundred seventy-one thousand".