525446012 has 108 divisors (see below), whose sum is σ = 1200399480. Its totient is φ = 200333952.

The previous prime is 525446003. The next prime is 525446069. The reversal of 525446012 is 210644525.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 960323 + ... + 960869.

It is an arithmetic number, because the mean of its divisors is an integer number (11114810).

Almost surely, 2^525446012 is an apocalyptic number.

525446012 is a gapful number since it is divisible by the number (52) 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 525446012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600199740).

525446012 is an abundant number, since it is smaller than the sum of its proper divisors (674953468).

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

525446012 is a wasteful number, since it uses less digits than its factorization.

525446012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 525446012 is about 22922.6091883101. The cubic root of 525446012 is about 806.9427055053.

The spelling of 525446012 in words is "five hundred twenty-five million, four hundred forty-six thousand, twelve".