1355023253 has 2 divisors, whose sum is σ = 1355023254. Its totient is φ = 1355023252.

The previous prime is 1355023183. The next prime is 1355023261. The reversal of 1355023253 is 3523205531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044453124 + 310570129 = 32318^2 + 17623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355023253 - 2¹² = 1355019157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355025253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677511626 + 677511627.

It is an arithmetic number, because the mean of its divisors is an integer number (677511627).

Almost surely, 2^1355023253 is an apocalyptic number.

It is an amenable number.

1355023253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355023253 is an equidigital number, since it uses as much as digits as its factorization.

1355023253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 1355023253 is about 36810.6404861420. The cubic root of 1355023253 is about 1106.5785545301.

Adding to 1355023253 its reverse (3523205531), we get a palindrome (4878228784).

The spelling of 1355023253 in words is "one billion, three hundred fifty-five million, twenty-three thousand, two hundred fifty-three".