1325849481 has 12 divisors (see below), whose sum is σ = 2089217520. Its totient is φ = 803545080.

The previous prime is 1325849479. The next prime is 1325849489. The reversal of 1325849481 is 1849485231.

1325849481 is a `hidden beast` number, since 1 + 32 + 58 + 494 + 81 = 666.

1325849481 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1325849481 - 2¹ = 1325849479 is a prime.

It is a super-2 number, since 2×1325849481² = 3515753692535938722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325849489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6696111 + ... + 6696308.

It is an arithmetic number, because the mean of its divisors is an integer number (174101460).

Almost surely, 2^1325849481 is an apocalyptic number.

1325849481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1325849481 is a deficient number, since it is larger than the sum of its proper divisors (763368039).

1325849481 is a wasteful number, since it uses less digits than its factorization.

1325849481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13392436 (or 13392433 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1325849481 is about 36412.2160957006. The cubic root of 1325849481 is about 1098.5792901082.

The spelling of 1325849481 in words is "one billion, three hundred twenty-five million, eight hundred forty-nine thousand, four hundred eighty-one".