525133422 has 64 divisors (see below), whose sum is σ = 1275782400. Its totient is φ = 158790240.

The previous prime is 525133409. The next prime is 525133523. The reversal of 525133422 is 224331525.

It is a happy number.

525133422 is a `hidden beast` number, since 525 + 133 + 4 + 2 + 2 = 666.

It is a super-2 number, since 2×525133422² = 551530221802860168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490704 + ... + 491772.

It is an arithmetic number, because the mean of its divisors is an integer number (19934100).

Almost surely, 2^525133422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525133422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637891200).

525133422 is an abundant number, since it is smaller than the sum of its proper divisors (750648978).

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

525133422 is a wasteful number, since it uses less digits than its factorization.

525133422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1912 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 525133422 is about 22915.7897965573. The cubic root of 525133422 is about 806.7826559150.

Adding to 525133422 its reverse (224331525), we get a palindrome (749464947).

The spelling of 525133422 in words is "five hundred twenty-five million, one hundred thirty-three thousand, four hundred twenty-two".