525032440 has 16 divisors (see below), whose sum is σ = 1181323080. Its totient is φ = 210012960.

The previous prime is 525032413. The next prime is 525032447. The reversal of 525032440 is 44230525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525032447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6562866 + ... + 6562945.

Almost surely, 2^525032440 is an apocalyptic number.

It is an amenable number.

525032440 is an abundant number, since it is smaller than the sum of its proper divisors (656290640).

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

525032440 is a wasteful number, since it uses less digits than its factorization.

525032440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13125822 (or 13125818 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 525032440 is about 22913.5863626801. The cubic root of 525032440 is about 806.7309384241.

Adding to 525032440 its reverse (44230525), we get a palindrome (569262965).

The spelling of 525032440 in words is "five hundred twenty-five million, thirty-two thousand, four hundred forty".