525650513 has 2 divisors, whose sum is σ = 525650514. Its totient is φ = 525650512.

The previous prime is 525650501. The next prime is 525650611. The reversal of 525650513 is 315056525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282508864 + 243141649 = 16808^2 + 15593^2 .

It is a cyclic number.

It is not a de Polignac number, because 525650513 - 2¹⁶ = 525584977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525650513.

It is not a weakly prime, because it can be changed into another prime (525650113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262825256 + 262825257.

It is an arithmetic number, because the mean of its divisors is an integer number (262825257).

Almost surely, 2^525650513 is an apocalyptic number.

It is an amenable number.

525650513 is a deficient number, since it is larger than the sum of its proper divisors (1).

525650513 is an equidigital number, since it uses as much as digits as its factorization.

525650513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 525650513 is about 22927.0694376756. The cubic root of 525650513 is about 807.0473779694.

It can be divided in two parts, 52 and 5650513, that added together give a palindrome (5650565).

The spelling of 525650513 in words is "five hundred twenty-five million, six hundred fifty thousand, five hundred thirteen".