7532321261 has 8 divisors (see below), whose sum is σ = 7546401720. Its totient is φ = 7518254848.

The previous prime is 7532321249. The next prime is 7532321327. The reversal of 7532321261 is 1621232357.

It can be written as a sum of positive squares in 4 ways, for example, as 2447775625 + 5084545636 = 49475^2 + 71306^2 .

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 7532321261 - 2⁶ = 7532321197 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 (7532321231) 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, 1915145 + ... + 1919073.

It is an arithmetic number, because the mean of its divisors is an integer number (943300215).

Almost surely, 2^7532321261 is an apocalyptic number.

It is an amenable number.

7532321261 is a deficient number, since it is larger than the sum of its proper divisors (14080459).

7532321261 is a wasteful number, since it uses less digits than its factorization.

7532321261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7023.

The product of its digits is 15120, while the sum is 32.

The square root of 7532321261 is about 86788.9466522091. The cubic root of 7532321261 is about 1960.2416456370.

The spelling of 7532321261 in words is "seven billion, five hundred thirty-two million, three hundred twenty-one thousand, two hundred sixty-one".