1328850253 has 4 divisors (see below), whose sum is σ = 1398789760. Its totient is φ = 1258910748.

The previous prime is 1328850251. The next prime is 1328850293. The reversal of 1328850253 is 3520588231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1328850253 - 2¹ = 1328850251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328850251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34969725 + ... + 34969762.

It is an arithmetic number, because the mean of its divisors is an integer number (349697440).

Almost surely, 2^1328850253 is an apocalyptic number.

It is an amenable number.

1328850253 is a deficient number, since it is larger than the sum of its proper divisors (69939507).

1328850253 is an equidigital number, since it uses as much as digits as its factorization.

1328850253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69939506.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1328850253 is about 36453.3983738142. The cubic root of 1328850253 is about 1099.4074640722.

The spelling of 1328850253 in words is "one billion, three hundred twenty-eight million, eight hundred fifty thousand, two hundred fifty-three".