1353205925 has 6 divisors (see below), whose sum is σ = 1677975378. Its totient is φ = 1082564720.

The previous prime is 1353205913. The next prime is 1353205927. The reversal of 1353205925 is 5295023531.

It can be written as a sum of positive squares in 3 ways, for example, as 315915076 + 1037290849 = 17774^2 + 32207^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1353205925 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 (1353205927) 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 in 5 ways as a sum of consecutive naturals, for example, 27064094 + ... + 27064143.

It is an arithmetic number, because the mean of its divisors is an integer number (279662563).

Almost surely, 2^1353205925 is an apocalyptic number.

It is an amenable number.

1353205925 is a deficient number, since it is larger than the sum of its proper divisors (324769453).

1353205925 is an equidigital number, since it uses as much as digits as its factorization.

1353205925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54128247 (or 54128242 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 1353205925 is about 36785.9473848371. The cubic root of 1353205925 is about 1106.0836267614.

The spelling of 1353205925 in words is "one billion, three hundred fifty-three million, two hundred five thousand, nine hundred twenty-five".