525502413 has 12 divisors (see below), whose sum is σ = 792061920. Its totient is φ = 335102856.

The previous prime is 525502409. The next prime is 525502451. The reversal of 525502413 is 314205525.

It is a happy number.

It is not a de Polignac number, because 525502413 - 2² = 525502409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525702413) 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 11 ways as a sum of consecutive naturals, for example, 1269123 + ... + 1269536.

It is an arithmetic number, because the mean of its divisors is an integer number (66005160).

Almost surely, 2^525502413 is an apocalyptic number.

It is an amenable number.

525502413 is a deficient number, since it is larger than the sum of its proper divisors (266559507).

525502413 is a wasteful number, since it uses less digits than its factorization.

525502413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538688 (or 2538685 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 525502413 is about 22923.8394035554. The cubic root of 525502413 is about 806.9715766904.

Adding to 525502413 its reverse (314205525), we get a palindrome (839707938).

The spelling of 525502413 in words is "five hundred twenty-five million, five hundred two thousand, four hundred thirteen".