1325276261 has 8 divisors (see below), whose sum is σ = 1384084800. Its totient is φ = 1266566752.

The previous prime is 1325276243. The next prime is 1325276263. The reversal of 1325276261 is 1626725231.

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 1325276261 - 2¹⁴ = 1325259877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325276263) 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, 3290 + ... + 51588.

It is an arithmetic number, because the mean of its divisors is an integer number (173010600).

Almost surely, 2^1325276261 is an apocalyptic number.

It is an amenable number.

1325276261 is a deficient number, since it is larger than the sum of its proper divisors (58808539).

1325276261 is a wasteful number, since it uses less digits than its factorization.

1325276261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49515.

The product of its digits is 30240, while the sum is 35.

The square root of 1325276261 is about 36404.3439852993. The cubic root of 1325276261 is about 1098.4209467457.

The spelling of 1325276261 in words is "one billion, three hundred twenty-five million, two hundred seventy-six thousand, two hundred sixty-one".