425012550 has 48 divisors (see below), whose sum is σ = 1058719440. Its totient is φ = 112832640.

The previous prime is 425012543. The next prime is 425012579. The reversal of 425012550 is 55210524.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 425012550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28164 + ... + 40536.

It is an arithmetic number, because the mean of its divisors is an integer number (22056655).

Almost surely, 2^425012550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425012550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529359720).

425012550 is an abundant number, since it is smaller than the sum of its proper divisors (633706890).

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

425012550 is a wasteful number, since it uses less digits than its factorization.

425012550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617 (or 12612 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 425012550 is about 20615.8325080507. The cubic root of 425012550 is about 751.8546985658.

The spelling of 425012550 in words is "four hundred twenty-five million, twelve thousand, five hundred fifty".