1325281291 has 8 divisors (see below), whose sum is σ = 1405380240. Its totient is φ = 1245420288.

The previous prime is 1325281277. The next prime is 1325281319. The reversal of 1325281291 is 1921825231.

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 1325281291 - 2⁵ = 1325281259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325281241) 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, 47946 + ... + 70351.

It is an arithmetic number, because the mean of its divisors is an integer number (175672530).

Almost surely, 2^1325281291 is an apocalyptic number.

1325281291 is a deficient number, since it is larger than the sum of its proper divisors (80098949).

1325281291 is a wasteful number, since it uses less digits than its factorization.

1325281291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118973.

The product of its digits is 8640, while the sum is 34.

The square root of 1325281291 is about 36404.4130703957. The cubic root of 1325281291 is about 1098.4223364057.

The spelling of 1325281291 in words is "one billion, three hundred twenty-five million, two hundred eighty-one thousand, two hundred ninety-one".