525552412 has 48 divisors (see below), whose sum is σ = 1166135040. Its totient is φ = 201283200.

The previous prime is 525552409. The next prime is 525552421. The reversal of 525552412 is 214255525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3712 + ... + 32632.

It is an arithmetic number, because the mean of its divisors is an integer number (24294480).

Almost surely, 2^525552412 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 525552412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583067520).

525552412 is an abundant number, since it is smaller than the sum of its proper divisors (640582628).

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

525552412 is a wasteful number, since it uses less digits than its factorization.

525552412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29002 (or 29000 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 525552412 is about 22924.9299235570. The cubic root of 525552412 is about 806.9971690196.

The spelling of 525552412 in words is "five hundred twenty-five million, five hundred fifty-two thousand, four hundred twelve".