425242500 has 180 divisors, whose sum is σ = 1302895440. Its totient is φ = 107880000.

The previous prime is 425242487. The next prime is 425242537. The reversal of 425242500 is 5242524.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7207471 + ... + 7207529.

It is an arithmetic number, because the mean of its divisors is an integer number (7238308).

Almost surely, 2^425242500 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 425242500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651447720).

425242500 is an abundant number, since it is smaller than the sum of its proper divisors (877652940).

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

425242500 is a wasteful number, since it uses less digits than its factorization.

425242500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 425242500 is about 20621.4087782576. The cubic root of 425242500 is about 751.9902693210.

Adding to 425242500 its sum of digits (24), we get a palindrome (425242524).

The spelling of 425242500 in words is "four hundred twenty-five million, two hundred forty-two thousand, five hundred".