425515412 has 72 divisors (see below), whose sum is σ = 918721440. Its totient is φ = 171460800.

The previous prime is 425515411. The next prime is 425515417. The reversal of 425515412 is 214515524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425515411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606662 + ... + 607362.

It is an arithmetic number, because the mean of its divisors is an integer number (12760020).

Almost surely, 2^425515412 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 425515412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459360720).

425515412 is an abundant number, since it is smaller than the sum of its proper divisors (493206028).

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

425515412 is a wasteful number, since it uses less digits than its factorization.

425515412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 892 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 425515412 is about 20628.0249175727. The cubic root of 425515412 is about 752.1511056129.

The spelling of 425515412 in words is "four hundred twenty-five million, five hundred fifteen thousand, four hundred twelve".