525441420 has 72 divisors (see below), whose sum is σ = 1821534624. Its totient is φ = 120100608.

The previous prime is 525441407. The next prime is 525441437. The reversal of 525441420 is 24144525.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207249 + ... + 209768.

It is an arithmetic number, because the mean of its divisors is an integer number (25299092).

Almost surely, 2^525441420 is an apocalyptic number.

It is an amenable number.

525441420 is an abundant number, since it is smaller than the sum of its proper divisors (1296093204).

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

525441420 is a wasteful number, since it uses less digits than its factorization.

525441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417039 (or 417034 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 525441420 is about 22922.5090249737. The cubic root of 525441420 is about 806.9403548092.

Adding to 525441420 its reverse (24144525), we get a palindrome (549585945).

The spelling of 525441420 in words is "five hundred twenty-five million, four hundred forty-one thousand, four hundred twenty".