1365013325 has 24 divisors (see below), whose sum is σ = 1885686600. Its totient is φ = 973244160.

The previous prime is 1365013291. The next prime is 1365013327. The reversal of 1365013325 is 5233105631.

It can be written as a sum of positive squares in 12 ways, for example, as 800380681 + 564632644 = 28291^2 + 23762^2 .

It is not a de Polignac number, because 1365013325 - 2¹⁰ = 1365012301 is a prime.

It is a super-2 number, since 2×1365013325² = 3726522754855111250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365013327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62990 + ... + 81839.

It is an arithmetic number, because the mean of its divisors is an integer number (78570275).

Almost surely, 2^1365013325 is an apocalyptic number.

It is an amenable number.

1365013325 is a deficient number, since it is larger than the sum of its proper divisors (520673275).

1365013325 is a wasteful number, since it uses less digits than its factorization.

1365013325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144881 (or 144876 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 1365013325 is about 36946.0867345921. The cubic root of 1365013325 is about 1109.2913597723.

Adding to 1365013325 its reverse (5233105631), we get a palindrome (6598118956).

The spelling of 1365013325 in words is "one billion, three hundred sixty-five million, thirteen thousand, three hundred twenty-five".