525505303 has 2 divisors, whose sum is σ = 525505304. Its totient is φ = 525505302.

The previous prime is 525505291. The next prime is 525505349. The reversal of 525505303 is 303505525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525505303 - 2¹⁷ = 525374231 is a prime.

It is a super-2 number, since 2×525505303² = 552311646962243618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525005303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262752651 + 262752652.

It is an arithmetic number, because the mean of its divisors is an integer number (262752652).

Almost surely, 2^525505303 is an apocalyptic number.

525505303 is a deficient number, since it is larger than the sum of its proper divisors (1).

525505303 is an equidigital number, since it uses as much as digits as its factorization.

525505303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 525505303 is about 22923.9024382848. The cubic root of 525505303 is about 806.9730560008.

The spelling of 525505303 in words is "five hundred twenty-five million, five hundred five thousand, three hundred three".