1357325505 has 20 divisors (see below), whose sum is σ = 2433132372. Its totient is φ = 723906720.

The previous prime is 1357325491. The next prime is 1357325507. The reversal of 1357325505 is 5055237531.

1357325505 is a `hidden beast` number, since 1 + 35 + 73 + 2 + 550 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 750540816 + 606784689 = 27396^2 + 24633^2 .

It is not a de Polignac number, because 1357325505 - 2²¹ = 1355228353 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1357325505.

It is not an unprimeable number, because it can be changed into a prime (1357325507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1675306 + ... + 1676115.

Almost surely, 2^1357325505 is an apocalyptic number.

1357325505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1357325505 is a deficient number, since it is larger than the sum of its proper divisors (1075806867).

1357325505 is an equidigital number, since it uses as much as digits as its factorization.

1357325505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351438 (or 3351429 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 1357325505 is about 36841.8987702860. The cubic root of 1357325505 is about 1107.2049106213.

The spelling of 1357325505 in words is "one billion, three hundred fifty-seven million, three hundred twenty-five thousand, five hundred five".