1356441325 has 6 divisors (see below), whose sum is σ = 1681987274. Its totient is φ = 1085153040.

The previous prime is 1356441319. The next prime is 1356441337. The reversal of 1356441325 is 5231446531.

It can be written as a sum of positive squares in 3 ways, for example, as 69856164 + 1286585161 = 8358^2 + 35869^2 .

It is not a de Polignac number, because 1356441325 - 2¹⁹ = 1355917037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27128802 + ... + 27128851.

Almost surely, 2^1356441325 is an apocalyptic number.

It is an amenable number.

1356441325 is a deficient number, since it is larger than the sum of its proper divisors (325545949).

1356441325 is an equidigital number, since it uses as much as digits as its factorization.

1356441325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54257663 (or 54257658 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 1356441325 is about 36829.8971624956. The cubic root of 1356441325 is about 1106.9644423666.

Adding to 1356441325 its reverse (5231446531), we get a palindrome (6587887856).

The spelling of 1356441325 in words is "one billion, three hundred fifty-six million, four hundred forty-one thousand, three hundred twenty-five".