1153325413 has 4 divisors (see below), whose sum is σ = 1153904940. Its totient is φ = 1152745888.

The previous prime is 1153325401. The next prime is 1153325417. The reversal of 1153325413 is 3145233511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 405740449 + 747584964 = 20143^2 + 27342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153325413 - 2⁹ = 1153324901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153325417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286768 + ... + 290761.

It is an arithmetic number, because the mean of its divisors is an integer number (288476235).

Almost surely, 2^1153325413 is an apocalyptic number.

It is an amenable number.

1153325413 is a deficient number, since it is larger than the sum of its proper divisors (579527).

1153325413 is an equidigital number, since it uses as much as digits as its factorization.

1153325413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579526.

The product of its digits is 5400, while the sum is 28.

The square root of 1153325413 is about 33960.6450616003. The cubic root of 1153325413 is about 1048.6984365510.

Adding to 1153325413 its reverse (3145233511), we get a palindrome (4298558924).

The spelling of 1153325413 in words is "one billion, one hundred fifty-three million, three hundred twenty-five thousand, four hundred thirteen".