525533274 has 192 divisors, whose sum is σ = 1493856000. Its totient is φ = 129890304.

The previous prime is 525533263. The next prime is 525533287. The reversal of 525533274 is 472335525.

525533274 is a `hidden beast` number, since 5 + 2 + 553 + 32 + 74 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1505652 + ... + 1506000.

It is an arithmetic number, because the mean of its divisors is an integer number (7780500).

Almost surely, 2^525533274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525533274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746928000).

525533274 is an abundant number, since it is smaller than the sum of its proper divisors (968322726).

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

525533274 is a wasteful number, since it uses less digits than its factorization.

525533274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 434 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 525533274 is about 22924.5125139009. The cubic root of 525533274 is about 806.9873732955.

Adding to 525533274 its reverse (472335525), we get a palindrome (997868799).

The spelling of 525533274 in words is "five hundred twenty-five million, five hundred thirty-three thousand, two hundred seventy-four".