525244356 has 144 divisors (see below), whose sum is σ = 1659176064. Its totient is φ = 136401408.

The previous prime is 525244337. The next prime is 525244397. The reversal of 525244356 is 653442525.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 525244356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218296 + ... + 220688.

It is an arithmetic number, because the mean of its divisors is an integer number (11522056).

Almost surely, 2^525244356 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 525244356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829588032).

525244356 is an abundant number, since it is smaller than the sum of its proper divisors (1133931708).

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

525244356 is a wasteful number, since it uses less digits than its factorization.

525244356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2485 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 525244356 is about 22918.2101395375. The cubic root of 525244356 is about 806.8394626375.

The spelling of 525244356 in words is "five hundred twenty-five million, two hundred forty-four thousand, three hundred fifty-six".