253020613 has 2 divisors, whose sum is σ = 253020614. Its totient is φ = 253020612.

The previous prime is 253020589. The next prime is 253020623. The reversal of 253020613 is 316020352.

253020613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207417604 + 45603009 = 14402^2 + 6753^2 .

It is a cyclic number.

It is not a de Polignac number, because 253020613 - 2²¹ = 250923461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253020623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126510306 + 126510307.

It is an arithmetic number, because the mean of its divisors is an integer number (126510307).

Almost surely, 2^253020613 is an apocalyptic number.

It is an amenable number.

253020613 is a deficient number, since it is larger than the sum of its proper divisors (1).

253020613 is an equidigital number, since it uses as much as digits as its factorization.

253020613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 253020613 is about 15906.6216714927. The cubic root of 253020613 is about 632.4875305702.

Adding to 253020613 its reverse (316020352), we get a palindrome (569040965).

The spelling of 253020613 in words is "two hundred fifty-three million, twenty thousand, six hundred thirteen".