1325440369 has 8 divisors (see below), whose sum is σ = 1470443040. Its totient is φ = 1184522400.

The previous prime is 1325440349. The next prime is 1325440379. The reversal of 1325440369 is 9630445231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1325440369 - 2¹³ = 1325432177 is a prime.

It is a super-2 number, since 2×1325440369² = 3513584343549712322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325440349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020492 + ... + 1021789.

It is an arithmetic number, because the mean of its divisors is an integer number (183805380).

Almost surely, 2^1325440369 is an apocalyptic number.

It is an amenable number.

1325440369 is a deficient number, since it is larger than the sum of its proper divisors (145002671).

1325440369 is a wasteful number, since it uses less digits than its factorization.

1325440369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042351.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1325440369 is about 36406.5978773079. The cubic root of 1325440369 is about 1098.4662837646.

The spelling of 1325440369 in words is "one billion, three hundred twenty-five million, four hundred forty thousand, three hundred sixty-nine".