425250000 has 420 divisors, whose sum is σ = 1763102432. Its totient is φ = 97200000.

The previous prime is 425249987. The next prime is 425250011. The reversal of 425250000 is 52524.

It is a tau number, because it is divible by the number of its divisors (420).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 60749997 + ... + 60750003.

Almost surely, 2^425250000 is an apocalyptic number.

425250000 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 425250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881551216).

425250000 is an abundant number, since it is smaller than the sum of its proper divisors (1337852432).

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

425250000 is an frugal number, since it uses more digits than its factorization.

425250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 425250000 is about 20621.5906273013. The cubic root of 425250000 is about 751.9946902447.

The spelling of 425250000 in words is "four hundred twenty-five million, two hundred fifty thousand".