525543413 has 4 divisors (see below), whose sum is σ = 529070700. Its totient is φ = 522016128.

The previous prime is 525543407. The next prime is 525543419. The reversal of 525543413 is 314345525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (525543407) and next prime (525543419).

It can be written as a sum of positive squares in 2 ways, for example, as 77035729 + 448507684 = 8777^2 + 21178^2 .

It is a cyclic number.

It is not a de Polignac number, because 525543413 - 2¹⁸ = 525281269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525543413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525543419) 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, 1763420 + ... + 1763717.

It is an arithmetic number, because the mean of its divisors is an integer number (132267675).

Almost surely, 2^525543413 is an apocalyptic number.

It is an amenable number.

525543413 is a deficient number, since it is larger than the sum of its proper divisors (3527287).

525543413 is a wasteful number, since it uses less digits than its factorization.

525543413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527286.

The product of its digits is 36000, while the sum is 32.

The square root of 525543413 is about 22924.7336516698. The cubic root of 525543413 is about 806.9925629399.

Adding to 525543413 its reverse (314345525), we get a palindrome (839888938).

The spelling of 525543413 in words is "five hundred twenty-five million, five hundred forty-three thousand, four hundred thirteen".