525440414 has 8 divisors (see below), whose sum is σ = 788587488. Its totient is φ = 262577920.

The previous prime is 525440411. The next prime is 525440423. The reversal of 525440414 is 414044525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525440411) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66467 + ... + 73950.

It is an arithmetic number, because the mean of its divisors is an integer number (98573436).

Almost surely, 2^525440414 is an apocalyptic number.

525440414 is a deficient number, since it is larger than the sum of its proper divisors (263147074).

525440414 is a wasteful number, since it uses less digits than its factorization.

525440414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142290.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 525440414 is about 22922.4870814665. The cubic root of 525440414 is about 806.9398398247.

Adding to 525440414 its reverse (414044525), we get a palindrome (939484939).

The spelling of 525440414 in words is "five hundred twenty-five million, four hundred forty thousand, four hundred fourteen".