525930253 has 2 divisors, whose sum is σ = 525930254. Its totient is φ = 525930252.

The previous prime is 525930193. The next prime is 525930271. The reversal of 525930253 is 352039525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372219849 + 153710404 = 19293^2 + 12398^2 .

It is a cyclic number.

It is not a de Polignac number, because 525930253 - 2¹⁷ = 525799181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525930953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262965126 + 262965127.

It is an arithmetic number, because the mean of its divisors is an integer number (262965127).

Almost surely, 2^525930253 is an apocalyptic number.

It is an amenable number.

525930253 is a deficient number, since it is larger than the sum of its proper divisors (1).

525930253 is an equidigital number, since it uses as much as digits as its factorization.

525930253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 525930253 is about 22933.1692750915. The cubic root of 525930253 is about 807.1905170519.

Adding to 525930253 its reverse (352039525), we get a palindrome (877969778).

The spelling of 525930253 in words is "five hundred twenty-five million, nine hundred thirty thousand, two hundred fifty-three".