525763489 has 2 divisors, whose sum is σ = 525763490. Its totient is φ = 525763488.

The previous prime is 525763409. The next prime is 525763493. The reversal of 525763489 is 984367525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386712225 + 139051264 = 19665^2 + 11792^2 .

It is a cyclic number.

It is not a de Polignac number, because 525763489 - 2¹¹ = 525761441 is a prime.

It is not a weakly prime, because it can be changed into another prime (525763409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262881744 + 262881745.

It is an arithmetic number, because the mean of its divisors is an integer number (262881745).

Almost surely, 2^525763489 is an apocalyptic number.

It is an amenable number.

525763489 is a deficient number, since it is larger than the sum of its proper divisors (1).

525763489 is an equidigital number, since it uses as much as digits as its factorization.

525763489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The square root of 525763489 is about 22929.5331177937. The cubic root of 525763489 is about 807.1051923353.

It can be divided in two parts, 52576 and 3489, that added together give a palindrome (56065).

The spelling of 525763489 in words is "five hundred twenty-five million, seven hundred sixty-three thousand, four hundred eighty-nine".