1325540007 has 12 divisors (see below), whose sum is σ = 2088729864. Its totient is φ = 803357520.

The previous prime is 1325540003. The next prime is 1325540009. The reversal of 1325540007 is 7000455231.

It is a happy number.

1325540007 is a `hidden beast` number, since 1 + 3 + 255 + 400 + 0 + 7 = 666.

It is not a de Polignac number, because 1325540007 - 2² = 1325540003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325540003) 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 11 ways as a sum of consecutive naturals, for example, 6694548 + ... + 6694745.

It is an arithmetic number, because the mean of its divisors is an integer number (174060822).

Almost surely, 2^1325540007 is an apocalyptic number.

1325540007 is a deficient number, since it is larger than the sum of its proper divisors (763189857).

1325540007 is a wasteful number, since it uses less digits than its factorization.

1325540007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13389310 (or 13389307 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1325540007 is about 36407.9662574003. The cubic root of 1325540007 is about 1098.4938082623.

Adding to 1325540007 its reverse (7000455231), we get a palindrome (8325995238).

The spelling of 1325540007 in words is "one billion, three hundred twenty-five million, five hundred forty thousand, seven".