253520213 has 2 divisors, whose sum is σ = 253520214. Its totient is φ = 253520212.

The previous prime is 253520207. The next prime is 253520219. The reversal of 253520213 is 312025352.

It is a balanced prime because it is at equal distance from previous prime (253520207) and next prime (253520219).

It can be written as a sum of positive squares in only one way, i.e., 208455844 + 45064369 = 14438^2 + 6713^2 .

It is a cyclic number.

It is not a de Polignac number, because 253520213 - 2⁸ = 253519957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253520219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126760106 + 126760107.

It is an arithmetic number, because the mean of its divisors is an integer number (126760107).

Almost surely, 2^253520213 is an apocalyptic number.

It is an amenable number.

253520213 is a deficient number, since it is larger than the sum of its proper divisors (1).

253520213 is an equidigital number, since it uses as much as digits as its factorization.

253520213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 253520213 is about 15922.3180787221. The cubic root of 253520213 is about 632.9035480839.

Adding to 253520213 its reverse (312025352), we get a palindrome (565545565).

The spelling of 253520213 in words is "two hundred fifty-three million, five hundred twenty thousand, two hundred thirteen".