425590500 has 192 divisors, whose sum is σ = 1326124800. Its totient is φ = 105753600.

The previous prime is 425590489. The next prime is 425590513. The reversal of 425590500 is 5095524.

It is a happy number.

It is a super-2 number, since 2×425590500² = 362254547380500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3106432 + ... + 3106568.

It is an arithmetic number, because the mean of its divisors is an integer number (6906900).

Almost surely, 2^425590500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425590500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663062400).

425590500 is an abundant number, since it is smaller than the sum of its proper divisors (900534300).

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

425590500 is a wasteful number, since it uses less digits than its factorization.

425590500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 425590500 is about 20629.8448855051. The cubic root of 425590500 is about 752.1953454523.

The spelling of 425590500 in words is "four hundred twenty-five million, five hundred ninety thousand, five hundred".